1020202013131 has 16 divisors (see below), whose sum is σ = 1178114051520. Its totient is φ = 865341388800.

The previous prime is 1020202013113. The next prime is 1020202013167. The reversal of 1020202013131 is 1313102020201.

It is not a de Polignac number, because 1020202013131 - 2⁹ = 1020202012619 is a prime.

It is a super-2 number, since 2×1020202013131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020202013731) 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, 953575 + ... + 1717471.

It is an arithmetic number, because the mean of its divisors is an integer number (73632128220).

Almost surely, 2^{1020202013131} is an apocalyptic number.

1020202013131 is a deficient number, since it is larger than the sum of its proper divisors (157912038389).

1020202013131 is a wasteful number, since it uses less digits than its factorization.

1020202013131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765894.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1020202013131 its reverse (1313102020201), we get a palindrome (2333304033332).

The spelling of 1020202013131 in words is "one trillion, twenty billion, two hundred two million, thirteen thousand, one hundred thirty-one".