13185051131 has 16 divisors (see below), whose sum is σ = 15963816960. Its totient is φ = 10630815360.

The previous prime is 13185051127. The next prime is 13185051151. The reversal of 13185051131 is 13115058131.

It is not a de Polignac number, because 13185051131 - 2² = 13185051127 is a prime.

It is a super-2 number, since 2×13185051131² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13185051094 and 13185051103.

It is not an unprimeable number, because it can be changed into a prime (13185051151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193040 + ... + 252258.

It is an arithmetic number, because the mean of its divisors is an integer number (997738560).

Almost surely, 2^13185051131 is an apocalyptic number.

13185051131 is a deficient number, since it is larger than the sum of its proper divisors (2778765829).

13185051131 is a wasteful number, since it uses less digits than its factorization.

13185051131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61114.

The product of its (nonzero) digits is 1800, while the sum is 29.

The spelling of 13185051131 in words is "thirteen billion, one hundred eighty-five million, fifty-one thousand, one hundred thirty-one".