13113232131 has 16 divisors (see below), whose sum is σ = 17549049600. Its totient is φ = 8709830688.

The previous prime is 13113232091. The next prime is 13113232157. The reversal of 13113232131 is 13123231131.

It is a happy number.

It is not a de Polignac number, because 13113232131 - 2²⁷ = 12979014403 is a prime.

It is a super-2 number, since 2×13113232131² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13113232098 and 13113232107.

It is not an unprimeable number, because it can be changed into a prime (13113232031) 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, 1318680 + ... + 1328586.

It is an arithmetic number, because the mean of its divisors is an integer number (1096815600).

Almost surely, 2^13113232131 is an apocalyptic number.

13113232131 is a deficient number, since it is larger than the sum of its proper divisors (4435817469).

13113232131 is a wasteful number, since it uses less digits than its factorization.

13113232131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11498.

The product of its digits is 324, while the sum is 21.

Adding to 13113232131 its reverse (13123231131), we get a palindrome (26236463262).

The spelling of 13113232131 in words is "thirteen billion, one hundred thirteen million, two hundred thirty-two thousand, one hundred thirty-one".