697982031 has 12 divisors (see below), whose sum is σ = 1012382800. Its totient is φ = 463389120.

The previous prime is 697982003. The next prime is 697982059. The reversal of 697982031 is 130289796.

It is an interprime number because it is at equal distance from previous prime (697982003) and next prime (697982059).

It is not a de Polignac number, because 697982031 - 2¹⁴ = 697965647 is a prime.

It is a super-2 number, since 2×697982031² = 974357831197769922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697982071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158731 + ... + 163068.

Almost surely, 2^697982031 is an apocalyptic number.

697982031 is a deficient number, since it is larger than the sum of its proper divisors (314400769).

697982031 is a wasteful number, since it uses less digits than its factorization.

697982031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322046 (or 322043 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 697982031 is about 26419.3495567169. The cubic root of 697982031 is about 887.0499601780.

The spelling of 697982031 in words is "six hundred ninety-seven million, nine hundred eighty-two thousand, thirty-one".