30696431 has 2 divisors, whose sum is σ = 30696432. Its totient is φ = 30696430.

The previous prime is 30696403. The next prime is 30696433. The reversal of 30696431 is 13469603.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30696431 - 2¹⁰ = 30695407 is a prime.

It is a super-2 number, since 2×30696431² = 1884541752275522, which contains 22 as substring.

Together with 30696433, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30696433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15348215 + 15348216.

It is an arithmetic number, because the mean of its divisors is an integer number (15348216).

Almost surely, 2^30696431 is an apocalyptic number.

30696431 is a deficient number, since it is larger than the sum of its proper divisors (1).

30696431 is an equidigital number, since it uses as much as digits as its factorization.

30696431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 30696431 is about 5540.4359936741. The cubic root of 30696431 is about 313.1092957358.

The spelling of 30696431 in words is "thirty million, six hundred ninety-six thousand, four hundred thirty-one".