12533131310 has 96 divisors (see below), whose sum is σ = 28267367040. Its totient is φ = 3976112448.

The previous prime is 12533131243. The next prime is 12533131333. The reversal of 12533131310 is 1313133521.

It is a super-2 number, since 2×12533131310² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 384677 + ... + 415983.

It is an arithmetic number, because the mean of its divisors is an integer number (294451740).

Almost surely, 2^12533131310 is an apocalyptic number.

12533131310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12533131310 is an abundant number, since it is smaller than the sum of its proper divisors (15734235730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12533131310 is a wasteful number, since it uses less digits than its factorization.

12533131310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31390 (or 31383 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 23.

Adding to 12533131310 its reverse (1313133521), we get a palindrome (13846264831).

The spelling of 12533131310 in words is "twelve billion, five hundred thirty-three million, one hundred thirty-one thousand, three hundred ten".