1020131524331 has 16 divisors (see below), whose sum is σ = 1059919142688. Its totient is φ = 981106252800.

The previous prime is 1020131524319. The next prime is 1020131524361. The reversal of 1020131524331 is 1334251310201.

It is not a de Polignac number, because 1020131524331 - 2¹⁸ = 1020131262187 is a prime.

It is a super-2 number, since 2×1020131524331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020131524331.

It is not an unprimeable number, because it can be changed into a prime (1020131524361) 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, 1227191 + ... + 1883151.

It is an arithmetic number, because the mean of its divisors is an integer number (66244946418).

Almost surely, 2^{1020131524331} is an apocalyptic number.

1020131524331 is a deficient number, since it is larger than the sum of its proper divisors (39787618357).

1020131524331 is an equidigital number, since it uses as much as digits as its factorization.

1020131524331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656542.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 1020131524331 its reverse (1334251310201), we get a palindrome (2354382834532).

The spelling of 1020131524331 in words is "one trillion, twenty billion, one hundred thirty-one million, five hundred twenty-four thousand, three hundred thirty-one".