31312332113101 has 8 divisors (see below), whose sum is σ = 33735808524600. Its totient is φ = 28890975055872.

The previous prime is 31312332113099. The next prime is 31312332113189. The reversal of 31312332113101 is 10131123321313.

It can be written as a sum of positive squares in 4 ways, for example, as 13462771797225 + 17849560315876 = 3669165^2 + 4224874^2 .

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 31312332113101 - 2¹ = 31312332113099 is a prime.

It is a super-2 number, since 2×31312332113101² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31312332113401) 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, 529807876 + ... + 529866973.

It is an arithmetic number, because the mean of its divisors is an integer number (4216976065575).

Almost surely, 2^{31312332113101} is an apocalyptic number.

It is an amenable number.

31312332113101 is a deficient number, since it is larger than the sum of its proper divisors (2423476411499).

31312332113101 is a wasteful number, since it uses less digits than its factorization.

31312332113101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059677135.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 31312332113101 its reverse (10131123321313), we get a palindrome (41443455434414).

The spelling of 31312332113101 in words is "thirty-one trillion, three hundred twelve billion, three hundred thirty-two million, one hundred thirteen thousand, one hundred one".