13102121331 has 32 divisors (see below), whose sum is σ = 20911705920. Its totient is φ = 8059744512.

The previous prime is 13102121317. The next prime is 13102121353. The reversal of 13102121331 is 13312120131.

13102121331 is a `hidden beast` number, since 1 + 310 + 2 + 1 + 21 + 331 = 666.

It is not a de Polignac number, because 13102121331 - 2⁵ = 13102121299 is a prime.

It is a super-2 number, since 2×13102121331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13102121231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1192495 + ... + 1203431.

It is an arithmetic number, because the mean of its divisors is an integer number (653490810).

Almost surely, 2^13102121331 is an apocalyptic number.

13102121331 is a deficient number, since it is larger than the sum of its proper divisors (7809584589).

13102121331 is a wasteful number, since it uses less digits than its factorization.

13102121331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14372 (or 14366 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 13102121331 its reverse (13312120131), we get a palindrome (26414241462).

The spelling of 13102121331 in words is "thirteen billion, one hundred two million, one hundred twenty-one thousand, three hundred thirty-one".