30213065232631 has 4 divisors (see below), whose sum is σ = 30213571178952. Its totient is φ = 30212559286312.

The previous prime is 30213065232617. The next prime is 30213065232653. The reversal of 30213065232631 is 13623256031203.

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 30213065232631 - 2¹¹ = 30213065230583 is a prime.

It is a super-2 number, since 2×30213065232631² (a number of 28 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 (30213065232331) 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, 252883576 + ... + 253003021.

It is an arithmetic number, because the mean of its divisors is an integer number (7553392794738).

Almost surely, 2^{30213065232631} is an apocalyptic number.

30213065232631 is a deficient number, since it is larger than the sum of its proper divisors (505946321).

30213065232631 is an equidigital number, since it uses as much as digits as its factorization.

30213065232631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505946320.

The product of its (nonzero) digits is 116640, while the sum is 37.

The spelling of 30213065232631 in words is "thirty trillion, two hundred thirteen billion, sixty-five million, two hundred thirty-two thousand, six hundred thirty-one".