331130101020 has 48 divisors (see below), whose sum is σ = 929007636480. Its totient is φ = 88125802816.

The previous prime is 331130101019. The next prime is 331130101021. The reversal of 331130101020 is 20101031133.

It is an interprime number because it is at equal distance from previous prime (331130101019) and next prime (331130101021).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331130101021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5455740 + ... + 5516099.

It is an arithmetic number, because the mean of its divisors is an integer number (19354325760).

Almost surely, 2^331130101020 is an apocalyptic number.

331130101020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

331130101020 is an abundant number, since it is smaller than the sum of its proper divisors (597877535460).

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

331130101020 is a wasteful number, since it uses less digits than its factorization.

331130101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10972354 (or 10972352 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 331130101020 its reverse (20101031133), we get a palindrome (351231132153).

The spelling of 331130101020 in words is "three hundred thirty-one billion, one hundred thirty million, one hundred one thousand, twenty".