131023012330 has 64 divisors (see below), whose sum is σ = 284640749568. Its totient is φ = 42451295040.

The previous prime is 131023012321. The next prime is 131023012363. The reversal of 131023012330 is 33210320131.

It is a junction number, because it is equal to n+sod(n) for n = 131023012298 and 131023012307.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 356616 + ... + 623875.

It is an arithmetic number, because the mean of its divisors is an integer number (4447511712).

Almost surely, 2^131023012330 is an apocalyptic number.

131023012330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131023012330 is an abundant number, since it is smaller than the sum of its proper divisors (153617737238).

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

131023012330 is a wasteful number, since it uses less digits than its factorization.

131023012330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980611.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 131023012330 its reverse (33210320131), we get a palindrome (164233332461).

The spelling of 131023012330 in words is "one hundred thirty-one billion, twenty-three million, twelve thousand, three hundred thirty".