31331203341412 has 18 divisors (see below), whose sum is σ = 59371703374578. Its totient is φ = 14460555388032.

The previous prime is 31331203341397. The next prime is 31331203341499. The reversal of 31331203341412 is 21414330213313.

It can be written as a sum of positive squares in 3 ways, for example, as 2174486448996 + 29156716892416 = 1474614^2 + 5399696^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23173966293 + ... + 23173967644.

Almost surely, 2^{31331203341412} is an apocalyptic number.

It is an amenable number.

31331203341412 is a deficient number, since it is larger than the sum of its proper divisors (28040500033166).

31331203341412 is a wasteful number, since it uses less digits than its factorization.

31331203341412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46347933967 (or 46347933952 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 31331203341412 its reverse (21414330213313), we get a palindrome (52745533554725).

The spelling of 31331203341412 in words is "thirty-one trillion, three hundred thirty-one billion, two hundred three million, three hundred forty-one thousand, four hundred twelve".