130311033020 has 48 divisors (see below), whose sum is σ = 320019667968. Its totient is φ = 43639041600.

The previous prime is 130311032989. The next prime is 130311033053. The reversal of 130311033020 is 20330113031.

It is a self number, because there is not a number n which added to its sum of digits gives 130311033020.

It is a congruent number.

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, 10817156 + ... + 10829195.

It is an arithmetic number, because the mean of its divisors is an integer number (6667076416).

Almost surely, 2^130311033020 is an apocalyptic number.

130311033020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130311033020 is an abundant number, since it is smaller than the sum of its proper divisors (189708634948).

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

130311033020 is a wasteful number, since it uses less digits than its factorization.

130311033020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21646410 (or 21646408 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 130311033020 its reverse (20330113031), we get a palindrome (150641146051).

The spelling of 130311033020 in words is "one hundred thirty billion, three hundred eleven million, thirty-three thousand, twenty".