20103331021313 has 8 divisors (see below), whose sum is σ = 20123443372032. Its totient is φ = 20083228572096.

The previous prime is 20103331021303. The next prime is 20103331021351. The reversal of 20103331021313 is 31312013330102.

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 20103331021313 - 2³⁴ = 20086151152129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20103331021303) 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, 1590656 + ... + 6537342.

It is an arithmetic number, because the mean of its divisors is an integer number (2515430421504).

Almost surely, 2^{20103331021313} is an apocalyptic number.

It is an amenable number.

20103331021313 is a deficient number, since it is larger than the sum of its proper divisors (20112350719).

20103331021313 is a wasteful number, since it uses less digits than its factorization.

20103331021313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4950751.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 20103331021313 its reverse (31312013330102), we get a palindrome (51415344351415).

The spelling of 20103331021313 in words is "twenty trillion, one hundred three billion, three hundred thirty-one million, twenty-one thousand, three hundred thirteen".