102331131131 has 4 divisors (see below), whose sum is σ = 103078073832. Its totient is φ = 101584188432.

The previous prime is 102331131101. The next prime is 102331131143. The reversal of 102331131131 is 131131133201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102331131131 - 2¹⁸ = 102330868987 is a prime.

It is a super-2 number, since 2×102331131131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102331131101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373471145 + ... + 373471418.

It is an arithmetic number, because the mean of its divisors is an integer number (25769518458).

Almost surely, 2^102331131131 is an apocalyptic number.

102331131131 is a deficient number, since it is larger than the sum of its proper divisors (746942701).

102331131131 is an equidigital number, since it uses as much as digits as its factorization.

102331131131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746942700.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 102331131131 its reverse (131131133201), we get a palindrome (233462264332).

The spelling of 102331131131 in words is "one hundred two billion, three hundred thirty-one million, one hundred thirty-one thousand, one hundred thirty-one".