102331321131 has 32 divisors (see below), whose sum is σ = 147781795392. Its totient is φ = 62612029440.

The previous prime is 102331321093. The next prime is 102331321151. The reversal of 102331321131 is 131123133201.

It is a happy number.

It is not a de Polignac number, because 102331321131 - 2¹³ = 102331312939 is a prime.

It is a super-2 number, since 2×102331321131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102331321098 and 102331321107.

It is not an unprimeable number, because it can be changed into a prime (102331321151) 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, 6129211 + ... + 6145883.

It is an arithmetic number, because the mean of its divisors is an integer number (4618181106).

Almost surely, 2^102331321131 is an apocalyptic number.

102331321131 is a deficient number, since it is larger than the sum of its proper divisors (45450474261).

102331321131 is a wasteful number, since it uses less digits than its factorization.

102331321131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17583.

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

Adding to 102331321131 its reverse (131123133201), we get a palindrome (233454454332).

The spelling of 102331321131 in words is "one hundred two billion, three hundred thirty-one million, three hundred twenty-one thousand, one hundred thirty-one".