31097795663 has 8 divisors (see below), whose sum is σ = 34010325840. Its totient is φ = 28199508480.

The previous prime is 31097795629. The next prime is 31097795747. The reversal of 31097795663 is 36659779013.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31097795663 - 2¹⁶ = 31097730127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31097795599 and 31097795608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31097795623) 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, 3556178 + ... + 3564911.

It is an arithmetic number, because the mean of its divisors is an integer number (4251290730).

Almost surely, 2^31097795663 is an apocalyptic number.

31097795663 is a deficient number, since it is larger than the sum of its proper divisors (2912530177).

31097795663 is a wasteful number, since it uses less digits than its factorization.

31097795663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7121497.

The product of its (nonzero) digits is 6429780, while the sum is 56.

The spelling of 31097795663 in words is "thirty-one billion, ninety-seven million, seven hundred ninety-five thousand, six hundred sixty-three".