30097631 has 2 divisors, whose sum is σ = 30097632. Its totient is φ = 30097630.

The previous prime is 30097619. The next prime is 30097651. The reversal of 30097631 is 13679003.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30097631 is a prime.

It is a super-2 number, since 2×30097631² = 1811734783624322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 30097594 and 30097603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30097601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15048815 + 15048816.

It is an arithmetic number, because the mean of its divisors is an integer number (15048816).

Almost surely, 2^30097631 is an apocalyptic number.

30097631 is a deficient number, since it is larger than the sum of its proper divisors (1).

30097631 is an equidigital number, since it uses as much as digits as its factorization.

30097631 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 30097631 is about 5486.1307859000. The cubic root of 30097631 is about 311.0599547360.

The spelling of 30097631 in words is "thirty million, ninety-seven thousand, six hundred thirty-one".