1020331300331 has 8 divisors (see below), whose sum is σ = 1167298809600. Its totient is φ = 873665264808.

The previous prime is 1020331300319. The next prime is 1020331300343. The reversal of 1020331300331 is 1330031330201.

It is an interprime number because it is at equal distance from previous prime (1020331300319) and next prime (1020331300343).

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

It is a de Polignac number, because none of the positive numbers 2^k-1020331300331 is a prime.

It is a super-2 number, since 2×1020331300331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020331300381) 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, 75361181 + ... + 75374718.

It is an arithmetic number, because the mean of its divisors is an integer number (145912351200).

Almost surely, 2^{1020331300331} is an apocalyptic number.

1020331300331 is a deficient number, since it is larger than the sum of its proper divisors (146967509269).

1020331300331 is an equidigital number, since it uses as much as digits as its factorization.

1020331300331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150736873.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 1020331300331 its reverse (1330031330201), we get a palindrome (2350362630532).

The spelling of 1020331300331 in words is "one trillion, twenty billion, three hundred thirty-one million, three hundred thousand, three hundred thirty-one".