31103131022313 has 32 divisors (see below), whose sum is σ = 50183828121600. Its totient is φ = 16727525955840.

The previous prime is 31103131022209. The next prime is 31103131022317. The reversal of 31103131022313 is 31322013130113.

It is not a de Polignac number, because 31103131022313 - 2⁸ = 31103131022057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31103131022317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30666748 + ... + 31664738.

It is an arithmetic number, because the mean of its divisors is an integer number (1568244628800).

Almost surely, 2^{31103131022313} is an apocalyptic number.

It is an amenable number.

31103131022313 is a deficient number, since it is larger than the sum of its proper divisors (19080697099287).

31103131022313 is a wasteful number, since it uses less digits than its factorization.

31103131022313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085317.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 31103131022313 its reverse (31322013130113), we get a palindrome (62425144152426).

The spelling of 31103131022313 in words is "thirty-one trillion, one hundred three billion, one hundred thirty-one million, twenty-two thousand, three hundred thirteen".