30325540631 has 4 divisors (see below), whose sum is σ = 30326835000. Its totient is φ = 30324246264.

The previous prime is 30325540523. The next prime is 30325540639. The reversal of 30325540631 is 13604552303.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30325540631 - 2¹⁴ = 30325524247 is a prime.

It is a super-2 number, since 2×30325540631² (a number of 22 digits) 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 (30325540639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611381 + ... + 659118.

It is an arithmetic number, because the mean of its divisors is an integer number (7581708750).

Almost surely, 2^30325540631 is an apocalyptic number.

30325540631 is a deficient number, since it is larger than the sum of its proper divisors (1294369).

30325540631 is a wasteful number, since it uses less digits than its factorization.

30325540631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294368.

The product of its (nonzero) digits is 32400, while the sum is 32.

The spelling of 30325540631 in words is "thirty billion, three hundred twenty-five million, five hundred forty thousand, six hundred thirty-one".