31301122100113 has 4 divisors (see below), whose sum is σ = 31967103421440. Its totient is φ = 30635140778788.

The previous prime is 31301122100099. The next prime is 31301122100147. The reversal of 31301122100113 is 31100122110313.

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 31301122100113 - 2⁴¹ = 29102098844561 is a prime.

It is a super-2 number, since 2×31301122100113² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31301122100153) 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, 332990660593 + ... + 332990660686.

It is an arithmetic number, because the mean of its divisors is an integer number (7991775855360).

Almost surely, 2^{31301122100113} is an apocalyptic number.

It is an amenable number.

31301122100113 is a deficient number, since it is larger than the sum of its proper divisors (665981321327).

31301122100113 is an equidigital number, since it uses as much as digits as its factorization.

31301122100113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665981321326.

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

Adding to 31301122100113 its reverse (31100122110313), we get a palindrome (62401244210426).

The spelling of 31301122100113 in words is "thirty-one trillion, three hundred one billion, one hundred twenty-two million, one hundred thousand, one hundred thirteen".