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31134032232 = 2331297251343
BaseRepresentation
bin11100111111101110…
…111010000101101000
32222100210011201010220
4130333232322011220
51002230303012412
622145222210040
72151346623162
oct347756720550
988323151126
1031134032232
1112227393256
12604a883920
132c223001a4
141714cc5932
15c2348368c
hex73fbba168

31134032232 has 16 divisors (see below), whose sum is σ = 77835080640. Its totient is φ = 10378010736.

The previous prime is 31134032227. The next prime is 31134032249. The reversal of 31134032232 is 23223043113.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 1297251343 = 31134032232 / (3 + 1 + 1 + 3 + 4 + 0 + 3 + 2 + 2 + 3 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 648625648 + ... + 648625695.

It is an arithmetic number, because the mean of its divisors is an integer number (4864692540).

Almost surely, 231134032232 is an apocalyptic number.

It is an amenable number.

31134032232 is an abundant number, since it is smaller than the sum of its proper divisors (46701048408).

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

31134032232 is a wasteful number, since it uses less digits than its factorization.

31134032232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297251352 (or 1297251348 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 31134032232 its reverse (23223043113), we get a palindrome (54357075345).

The spelling of 31134032232 in words is "thirty-one billion, one hundred thirty-four million, thirty-two thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 1297251343 2594502686 3891754029 5189005372 7783508058 10378010744 15567016116 31134032232