31312203110101 has 4 divisors (see below), whose sum is σ = 31321979011872. Its totient is φ = 31302427208332.

The previous prime is 31312203110087. The next prime is 31312203110107. The reversal of 31312203110101 is 10101130221313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31312203110101 - 2²¹ = 31312201012949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31312203110107) 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, 4887946081 + ... + 4887952486.

It is an arithmetic number, because the mean of its divisors is an integer number (7830494752968).

Almost surely, 2^{31312203110101} is an apocalyptic number.

It is an amenable number.

31312203110101 is a deficient number, since it is larger than the sum of its proper divisors (9775901771).

31312203110101 is an equidigital number, since it uses as much as digits as its factorization.

31312203110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9775901770.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 31312203110101 its reverse (10101130221313), we get a palindrome (41413333331414).

The spelling of 31312203110101 in words is "thirty-one trillion, three hundred twelve billion, two hundred three million, one hundred ten thousand, one hundred one".