1031021313101 has 12 divisors (see below), whose sum is σ = 1140185230272. Its totient is φ = 931462783056.

The previous prime is 1031021313097. The next prime is 1031021313137. The reversal of 1031021313101 is 1013131201301.

It is not a de Polignac number, because 1031021313101 - 2² = 1031021313097 is a prime.

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 1031021313101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031021333101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64893311 + ... + 64909196.

It is an arithmetic number, because the mean of its divisors is an integer number (95015435856).

Almost surely, 2^{1031021313101} is an apocalyptic number.

It is an amenable number.

1031021313101 is a deficient number, since it is larger than the sum of its proper divisors (109163917171).

1031021313101 is a wasteful number, since it uses less digits than its factorization.

1031021313101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129802580 (or 129802567 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 1031021313101 its reverse (1013131201301), we get a palindrome (2044152514402).

The spelling of 1031021313101 in words is "one trillion, thirty-one billion, twenty-one million, three hundred thirteen thousand, one hundred one".