1020313522231 has 16 divisors (see below), whose sum is σ = 1034524483200. Its totient is φ = 1006167289600.

The previous prime is 1020313522213. The next prime is 1020313522321. The reversal of 1020313522231 is 1322253130201.

It is a cyclic number.

It is not a de Polignac number, because 1020313522231 - 2¹⁹ = 1020312997943 is a prime.

It is a super-2 number, since 2×1020313522231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020313522196 and 1020313522205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020313522031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52526901 + ... + 52546321.

It is an arithmetic number, because the mean of its divisors is an integer number (64657780200).

Almost surely, 2^{1020313522231} is an apocalyptic number.

1020313522231 is a deficient number, since it is larger than the sum of its proper divisors (14210960969).

1020313522231 is an equidigital number, since it uses as much as digits as its factorization.

1020313522231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21050.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 1020313522231 its reverse (1322253130201), we get a palindrome (2342566652432).

The spelling of 1020313522231 in words is "one trillion, twenty billion, three hundred thirteen million, five hundred twenty-two thousand, two hundred thirty-one".