31300311044 has 12 divisors (see below), whose sum is σ = 54777676800. Its totient is φ = 15649546248.

The previous prime is 31300311041. The next prime is 31300311079. The reversal of 31300311044 is 44011300313.

It is a super-2 number, since 2×31300311044² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31300311041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24884 + ... + 251435.

It is an arithmetic number, because the mean of its divisors is an integer number (4564806400).

Almost surely, 2^31300311044 is an apocalyptic number.

It is an amenable number.

31300311044 is a deficient number, since it is larger than the sum of its proper divisors (23477365756).

31300311044 is a wasteful number, since it uses less digits than its factorization.

31300311044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304642 (or 304640 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31300311044 its reverse (44011300313), we get a palindrome (75311611357).

The spelling of 31300311044 in words is "thirty-one billion, three hundred million, three hundred eleven thousand, forty-four".