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31342034022 = 23131931367567
BaseRepresentation
bin11101001100001000…
…010111110001100110
32222220021120021221220
4131030020113301212
51003142030042042
622222012321210
72156453615325
oct351410276146
988807507856
1031342034022
1112323841062
1260a8473206
132c56429680
14173478c0bc
15c3686d8ec
hex74c217c66

31342034022 has 64 divisors (see below), whose sum is σ = 71286942720. Its totient is φ = 9106815744.

The previous prime is 31342034011. The next prime is 31342034023. The reversal of 31342034022 is 22043024313.

It is a junction number, because it is equal to n+sod(n) for n = 31342033983 and 31342034001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31342034023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 430083 + ... + 497649.

It is an arithmetic number, because the mean of its divisors is an integer number (1113858480).

Almost surely, 231342034022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31342034022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35643471360).

31342034022 is an abundant number, since it is smaller than the sum of its proper divisors (39944908698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31342034022 is a wasteful number, since it uses less digits than its factorization.

31342034022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67917.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 31342034022 its reverse (22043024313), we get a palindrome (53385058335).

The spelling of 31342034022 in words is "thirty-one billion, three hundred forty-two million, thirty-four thousand, twenty-two".

Divisors: 1 2 3 6 13 19 26 38 39 57 78 114 247 313 494 626 741 939 1482 1878 4069 5947 8138 11894 12207 17841 24414 35682 67567 77311 135134 154622 202701 231933 405402 463866 878371 1283773 1756742 2567546 2635113 3851319 5270226 7702638 16689049 21148471 33378098 42296942 50067147 63445413 100134294 126890826 274930123 401820949 549860246 803641898 824790369 1205462847 1649580738 2410925694 5223672337 10447344674 15671017011 31342034022