131023233030 has 64 divisors (see below), whose sum is σ = 316682938368. Its totient is φ = 34692278400.

The previous prime is 131023233007. The next prime is 131023233037. The reversal of 131023233030 is 30332320131.

It is a junction number, because it is equal to n+sod(n) for n = 131023232988 and 131023233006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131023233037) 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, 12529284 + ... + 12539736.

It is an arithmetic number, because the mean of its divisors is an integer number (4948170912).

Almost surely, 2^131023233030 is an apocalyptic number.

131023233030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131023233030 is an abundant number, since it is smaller than the sum of its proper divisors (185659705338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131023233030 is a wasteful number, since it uses less digits than its factorization.

131023233030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13381.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 131023233030 its reverse (30332320131), we get a palindrome (161355553161).

The spelling of 131023233030 in words is "one hundred thirty-one billion, twenty-three million, two hundred thirty-three thousand, thirty".