13031213132312 has 16 divisors (see below), whose sum is σ = 24834074208000. Its totient is φ = 6408793343520.

The previous prime is 13031213132309. The next prime is 13031213132341. The reversal of 13031213132312 is 21323131213031.

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, 13351652312 + ... + 13351653287.

It is an arithmetic number, because the mean of its divisors is an integer number (1552129638000).

Almost surely, 2^{13031213132312} is an apocalyptic number.

It is an amenable number.

13031213132312 is a deficient number, since it is larger than the sum of its proper divisors (11802861075688).

13031213132312 is a wasteful number, since it uses less digits than its factorization.

13031213132312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26703305666 (or 26703305662 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 13031213132312 its reverse (21323131213031), we get a palindrome (34354344345343).

The spelling of 13031213132312 in words is "thirteen trillion, thirty-one billion, two hundred thirteen million, one hundred thirty-two thousand, three hundred twelve".