1020355314331 has 8 divisors (see below), whose sum is σ = 1080417538800. Its totient is φ = 960297681408.

The previous prime is 1020355314323. The next prime is 1020355314337. The reversal of 1020355314331 is 1334135530201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020355314331 - 2³ = 1020355314323 is a prime.

It is a super-2 number, since 2×1020355314331² (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 = 1020355314293 and 1020355314302.

It is not an unprimeable number, because it can be changed into a prime (1020355314337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 685021 + ... + 1584286.

It is an arithmetic number, because the mean of its divisors is an integer number (135052192350).

Almost surely, 2^{1020355314331} is an apocalyptic number.

1020355314331 is a deficient number, since it is larger than the sum of its proper divisors (60062224469).

1020355314331 is a wasteful number, since it uses less digits than its factorization.

1020355314331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295773.

The product of its (nonzero) digits is 16200, while the sum is 31.

The spelling of 1020355314331 in words is "one trillion, twenty billion, three hundred fifty-five million, three hundred fourteen thousand, three hundred thirty-one".