31312202310101 has 2 divisors, whose sum is σ = 31312202310102. Its totient is φ = 31312202310100.

The previous prime is 31312202310083. The next prime is 31312202310131. The reversal of 31312202310101 is 10101320221313.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28953600531025 + 2358601779076 = 5380855^2 + 1535774^2 .

It is a cyclic number.

It is not a de Polignac number, because 31312202310101 - 2¹⁰ = 31312202309077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31312202310131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15656101155050 + 15656101155051.

It is an arithmetic number, because the mean of its divisors is an integer number (15656101155051).

Almost surely, 2^{31312202310101} is an apocalyptic number.

It is an amenable number.

31312202310101 is a deficient number, since it is larger than the sum of its proper divisors (1).

31312202310101 is an equidigital number, since it uses as much as digits as its factorization.

31312202310101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 31312202310101 its reverse (10101320221313), we get a palindrome (41413522531414).

The spelling of 31312202310101 in words is "thirty-one trillion, three hundred twelve billion, two hundred two million, three hundred ten thousand, one hundred one".