31103023113097 has 4 divisors (see below), whose sum is σ = 33495563352580. Its totient is φ = 28710482873616.

The previous prime is 31103023113083. The next prime is 31103023113109. The reversal of 31103023113097 is 79031132030113.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9826538442361 + 21276484670736 = 3134731^2 + 4612644^2 .

It is a cyclic number.

It is not a de Polignac number, because 31103023113097 - 2⁷ = 31103023112969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31103023117097) 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, 1196270119722 + ... + 1196270119747.

It is an arithmetic number, because the mean of its divisors is an integer number (8373890838145).

Almost surely, 2^{31103023113097} is an apocalyptic number.

It is an amenable number.

31103023113097 is a deficient number, since it is larger than the sum of its proper divisors (2392540239483).

31103023113097 is a wasteful number, since it uses less digits than its factorization.

31103023113097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2392540239482.

The product of its (nonzero) digits is 10206, while the sum is 34.

The spelling of 31103023113097 in words is "thirty-one trillion, one hundred three billion, twenty-three million, one hundred thirteen thousand, ninety-seven".