31301234012 has 24 divisors (see below), whose sum is σ = 56167500480. Its totient is φ = 15254115840.

The previous prime is 31301234009. The next prime is 31301234033. The reversal of 31301234012 is 21043210313.

It is a super-2 number, since 2×31301234012² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78548 + ... + 262244.

It is an arithmetic number, because the mean of its divisors is an integer number (2340312520).

Almost surely, 2^31301234012 is an apocalyptic number.

It is an amenable number.

31301234012 is a deficient number, since it is larger than the sum of its proper divisors (24866266468).

31301234012 is a wasteful number, since it uses less digits than its factorization.

31301234012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184781 (or 184779 counting only the distinct ones).

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

Adding to 31301234012 its reverse (21043210313), we get a palindrome (52344444325).

The spelling of 31301234012 in words is "thirty-one billion, three hundred one million, two hundred thirty-four thousand, twelve".