1031313102101 has 4 divisors (see below), whose sum is σ = 1031361053772. Its totient is φ = 1031265150432.

The previous prime is 1031313102097. The next prime is 1031313102109. The reversal of 1031313102101 is 1012013131301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 786511791025 + 244801311076 = 886855^2 + 494774^2 .

It is a cyclic number.

It is not a de Polignac number, because 1031313102101 - 2² = 1031313102097 is a prime.

It is a super-2 number, since 2×1031313102101² (a number of 25 digits) contains 22 as substring.

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 1031313102101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031313102109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23943560 + ... + 23986593.

It is an arithmetic number, because the mean of its divisors is an integer number (257840263443).

Almost surely, 2^{1031313102101} is an apocalyptic number.

It is an amenable number.

1031313102101 is a deficient number, since it is larger than the sum of its proper divisors (47951671).

1031313102101 is an equidigital number, since it uses as much as digits as its factorization.

1031313102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47951670.

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

Adding to 1031313102101 its reverse (1012013131301), we get a palindrome (2043326233402).

The spelling of 1031313102101 in words is "one trillion, thirty-one billion, three hundred thirteen million, one hundred two thousand, one hundred one".