31230201431512 has 16 divisors (see below), whose sum is σ = 59103885888360. Its totient is φ = 15469165194624.

The previous prime is 31230201431509. The next prime is 31230201431579. The reversal of 31230201431512 is 21513410203213.

It is a super-2 number, since 2×31230201431512² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18241939233 + ... + 18241940944.

Almost surely, 2^{31230201431512} is an apocalyptic number.

It is an amenable number.

31230201431512 is a deficient number, since it is larger than the sum of its proper divisors (27873684456848).

31230201431512 is a wasteful number, since it uses less digits than its factorization.

31230201431512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36483880290 (or 36483880286 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 31230201431512 its reverse (21513410203213), we get a palindrome (52743611634725).

The spelling of 31230201431512 in words is "thirty-one trillion, two hundred thirty billion, two hundred one million, four hundred thirty-one thousand, five hundred twelve".