1013131102020 has 96 divisors (see below), whose sum is σ = 2986272307200. Its totient is φ = 255931622784.

The previous prime is 1013131102013. The next prime is 1013131102037. The reversal of 1013131102020 is 202011313101.

It is a happy number.

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

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, 30237717 + ... + 30271203.

It is an arithmetic number, because the mean of its divisors is an integer number (31107003200).

Almost surely, 2^{1013131102020} is an apocalyptic number.

1013131102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013131102020 is an abundant number, since it is smaller than the sum of its proper divisors (1973141205180).

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

1013131102020 is a wasteful number, since it uses less digits than its factorization.

1013131102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60057 (or 60055 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1013131102020 its reverse (202011313101), we get a palindrome (1215142415121).

The spelling of 1013131102020 in words is "one trillion, thirteen billion, one hundred thirty-one million, one hundred two thousand, twenty".