31010045044 has 36 divisors (see below), whose sum is σ = 62242965792. Its totient is φ = 13482623440.

The previous prime is 31010045039. The next prime is 31010045047. The reversal of 31010045044 is 44054001013.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31010045047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1381702 + ... + 1403965.

It is an arithmetic number, because the mean of its divisors is an integer number (1728971272).

Almost surely, 2^31010045044 is an apocalyptic number.

It is an amenable number.

31010045044 is an abundant number, since it is smaller than the sum of its proper divisors (31232920748).

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

31010045044 is a wasteful number, since it uses less digits than its factorization.

31010045044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2785716 (or 2785703 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 31010045044 its reverse (44054001013), we get a palindrome (75064046057).

The spelling of 31010045044 in words is "thirty-one billion, ten million, forty-five thousand, forty-four".