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31341214433 = 173517524197
BaseRepresentation
bin11101001100000101…
…001111101011100001
32222220020000122200202
4131030011033223201
51003141322330213
622221542554545
72156443633004
oct351405175341
988806018622
1031341214433
1112323331311
1260a8138a55
132c562005c9
14173461753b
15c3675ab58
hex74c14fae1

31341214433 has 8 divisors (see below), whose sum is σ = 33194314152. Its totient is φ = 29489170176.

The previous prime is 31341214409. The next prime is 31341214439. The reversal of 31341214433 is 33441214313.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25712763904 + 5628450529 = 160352^2 + 75023^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31341214433 - 26 = 31341214369 is a prime.

It is a super-2 number, since 2×313412144332 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31341214396 and 31341214405.

It is not an unprimeable number, because it can be changed into a prime (31341214439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202310 + ... + 321887.

It is an arithmetic number, because the mean of its divisors is an integer number (4149289269).

Almost surely, 231341214433 is an apocalyptic number.

It is an amenable number.

31341214433 is a deficient number, since it is larger than the sum of its proper divisors (1853099719).

31341214433 is a wasteful number, since it uses less digits than its factorization.

31341214433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527731.

The product of its digits is 10368, while the sum is 29.

Adding to 31341214433 its reverse (33441214313), we get a palindrome (64782428746).

The spelling of 31341214433 in words is "thirty-one billion, three hundred forty-one million, two hundred fourteen thousand, four hundred thirty-three".

Divisors: 1 17 3517 59789 524197 8911349 1843600849 31341214433