31255402434112 has 56 divisors (see below), whose sum is σ = 64934170156800. Its totient is φ = 14907021943296.

The previous prime is 31255402434101. The next prime is 31255402434119. The reversal of 31255402434112 is 21143420455213.

It is not an unprimeable number, because it can be changed into a prime (31255402434119) 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, 101292912 + ... + 101601007.

It is an arithmetic number, because the mean of its divisors is an integer number (1159538752800).

Almost surely, 2^{31255402434112} is an apocalyptic number.

31255402434112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31255402434112 is an abundant number, since it is smaller than the sum of its proper divisors (33678767722688).

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

31255402434112 is a wasteful number, since it uses less digits than its factorization.

31255402434112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202894043 (or 202894033 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 31255402434112 its reverse (21143420455213), we get a palindrome (52398822889325).

The spelling of 31255402434112 in words is "thirty-one trillion, two hundred fifty-five billion, four hundred two million, four hundred thirty-four thousand, one hundred twelve".