31301144012 has 12 divisors (see below), whose sum is σ = 54778259760. Its totient is φ = 15650212656.

The previous prime is 31301144009. The next prime is 31301144029. The reversal of 31301144012 is 21044110313.

It is a super-2 number, since 2×31301144012² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243914 + ... + 349422.

It is an arithmetic number, because the mean of its divisors is an integer number (4564854980).

Almost surely, 2^31301144012 is an apocalyptic number.

It is an amenable number.

31301144012 is a deficient number, since it is larger than the sum of its proper divisors (23477115748).

31301144012 is a wasteful number, since it uses less digits than its factorization.

31301144012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179680 (or 179678 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31301144012 its reverse (21044110313), we get a palindrome (52345254325).

The spelling of 31301144012 in words is "thirty-one billion, three hundred one million, one hundred forty-four thousand, twelve".