13031331131012 has 24 divisors (see below), whose sum is σ = 23446999149504. Its totient is φ = 6332576831712.

The previous prime is 13031331131011. The next prime is 13031331131023. The reversal of 13031331131012 is 21013113313031.

It is a super-2 number, since 2×13031331131012² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13031331131011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48404648 + ... + 48673119.

It is an arithmetic number, because the mean of its divisors is an integer number (976958297896).

Almost surely, 2^{13031331131012} is an apocalyptic number.

It is an amenable number.

13031331131012 is a deficient number, since it is larger than the sum of its proper divisors (10415668018492).

13031331131012 is a wasteful number, since it uses less digits than its factorization.

13031331131012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97078715 (or 97078713 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 13031331131012 its reverse (21013113313031), we get a palindrome (34044444444043).

The spelling of 13031331131012 in words is "thirteen trillion, thirty-one billion, three hundred thirty-one million, one hundred thirty-one thousand, twelve".