31230120534412 has 12 divisors (see below), whose sum is σ = 54652829847336. Its totient is φ = 15615026292320.

The previous prime is 31230120534397. The next prime is 31230120534449. The reversal of 31230120534412 is 21443502103213.

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, 6366289 + ... + 10148392.

It is an arithmetic number, because the mean of its divisors is an integer number (4554402487278).

Almost surely, 2^{31230120534412} is an apocalyptic number.

It is an amenable number.

31230120534412 is a deficient number, since it is larger than the sum of its proper divisors (23422709312924).

31230120534412 is a wasteful number, since it uses less digits than its factorization.

31230120534412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16987448 (or 16987446 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 31230120534412 its reverse (21443502103213), we get a palindrome (52673622637625).

The spelling of 31230120534412 in words is "thirty-one trillion, two hundred thirty billion, one hundred twenty million, five hundred thirty-four thousand, four hundred twelve".