131231133121310 has 32 divisors (see below), whose sum is σ = 239664071116800. Its totient is φ = 51726971218720.

The previous prime is 131231133121247. The next prime is 131231133121373. The reversal of 131231133121310 is 13121331132131.

It is an interprime number because it is at equal distance from previous prime (131231133121247) and next prime (131231133121373).

It is a super-2 number, since 2×131231133121310² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 131231133121310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45293390 + ... + 48103569.

It is an arithmetic number, because the mean of its divisors is an integer number (7489502222400).

Almost surely, 2^{131231133121310} is an apocalyptic number.

131231133121310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131231133121310 is a deficient number, since it is larger than the sum of its proper divisors (108432937995490).

131231133121310 is a wasteful number, since it uses less digits than its factorization.

131231133121310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93399016.

The product of its (nonzero) digits is 972, while the sum is 26.

Adding to 131231133121310 its reverse (13121331132131), we get a palindrome (144352464253441).

The spelling of 131231133121310 in words is "one hundred thirty-one trillion, two hundred thirty-one billion, one hundred thirty-three million, one hundred twenty-one thousand, three hundred ten".