3097631 has 2 divisors, whose sum is σ = 3097632. Its totient is φ = 3097630.

The previous prime is 3097547. The next prime is 3097639. The reversal of 3097631 is 1367903.

It is a strong prime.

It is an emirp because it is prime and its reverse (1367903) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3097631 is a prime.

It is a super-2 number, since 2×3097631² = 19190635624322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3097594 and 3097603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3097639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1548815 + 1548816.

It is an arithmetic number, because the mean of its divisors is an integer number (1548816).

Almost surely, 2^3097631 is an apocalyptic number.

3097631 is a deficient number, since it is larger than the sum of its proper divisors (1).

3097631 is an equidigital number, since it uses as much as digits as its factorization.

3097631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 3097631 is about 1760.0088067961. The cubic root of 3097631 is about 145.7728217703.

The spelling of 3097631 in words is "three million, ninety-seven thousand, six hundred thirty-one".