31303022130 has 32 divisors (see below), whose sum is σ = 83474726400. Its totient is φ = 8347472496.

The previous prime is 31303022119. The next prime is 31303022141. The reversal of 31303022130 is 3122030313.

31303022130 is a `hidden beast` number, since 313 + 0 + 302 + 21 + 30 = 666.

It is an interprime number because it is at equal distance from previous prime (31303022119) and next prime (31303022141).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57968290 + ... + 57968829.

It is an arithmetic number, because the mean of its divisors is an integer number (2608585200).

Almost surely, 2^31303022130 is an apocalyptic number.

31303022130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31303022130 is an abundant number, since it is smaller than the sum of its proper divisors (52171704270).

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

31303022130 is a wasteful number, since it uses less digits than its factorization.

31303022130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115937135 (or 115937129 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 31303022130 its reverse (3122030313), we get a palindrome (34425052443).

The spelling of 31303022130 in words is "thirty-one billion, three hundred three million, twenty-two thousand, one hundred thirty".