31152054532044 has 96 divisors (see below), whose sum is σ = 77016186374400. Its totient is φ = 9773102304000.

The previous prime is 31152054532009. The next prime is 31152054532073. The reversal of 31152054532044 is 44023545025113.

It is a junction number, because it is equal to n+sod(n) for n = 31152054531993 and 31152054532011.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21562014 + ... + 22961370.

It is an arithmetic number, because the mean of its divisors is an integer number (802251941400).

Almost surely, 2^{31152054532044} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31152054532044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38508093187200).

31152054532044 is an abundant number, since it is smaller than the sum of its proper divisors (45864131842356).

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

31152054532044 is a wasteful number, since it uses less digits than its factorization.

31152054532044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400023 (or 1400021 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 31152054532044 its reverse (44023545025113), we get a palindrome (75175599557157).

The spelling of 31152054532044 in words is "thirty-one trillion, one hundred fifty-two billion, fifty-four million, five hundred thirty-two thousand, forty-four".