31048697 has 2 divisors, whose sum is σ = 31048698. Its totient is φ = 31048696.

The previous prime is 31048687. The next prime is 31048711. The reversal of 31048697 is 79684013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30958096 + 90601 = 5564^2 + 301^2 .

It is a cyclic number.

It is not a de Polignac number, because 31048697 - 2²² = 26854393 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31048697.

It is not a weakly prime, because it can be changed into another prime (31048607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15524348 + 15524349.

It is an arithmetic number, because the mean of its divisors is an integer number (15524349).

Almost surely, 2^31048697 is an apocalyptic number.

It is an amenable number.

31048697 is a deficient number, since it is larger than the sum of its proper divisors (1).

31048697 is an equidigital number, since it uses as much as digits as its factorization.

31048697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 31048697 is about 5572.1357664723. The cubic root of 31048697 is about 314.3024693055.

The spelling of 31048697 in words is "thirty-one million, forty-eight thousand, six hundred ninety-seven".