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31310324422 = 2138913530823
BaseRepresentation
bin11101001010001111…
…011010001011000110
32222211001220021120021
4131022033122023012
51003110420340142
622214520525354
72155620236446
oct351217321306
988731807507
1031310324422
1112307953183
12609992085a
132c4c9a64b0
141730496126
15c33ba8267
hex74a3da2c6

31310324422 has 16 divisors (see below), whose sum is σ = 51146514720. Its totient is φ = 14288548032.

The previous prime is 31310324407. The next prime is 31310324449. The reversal of 31310324422 is 22442301313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6763098 + ... + 6767725.

It is an arithmetic number, because the mean of its divisors is an integer number (3196657170).

Almost surely, 231310324422 is an apocalyptic number.

31310324422 is a deficient number, since it is larger than the sum of its proper divisors (19836190298).

31310324422 is a wasteful number, since it uses less digits than its factorization.

31310324422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13530927.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 31310324422 its reverse (22442301313), we get a palindrome (53752625735).

The spelling of 31310324422 in words is "thirty-one billion, three hundred ten million, three hundred twenty-four thousand, four hundred twenty-two".

Divisors: 1 2 13 26 89 178 1157 2314 13530823 27061646 175900699 351801398 1204243247 2408486494 15655162211 31310324422