30213102031 has 12 divisors (see below), whose sum is σ = 35200549272. Its totient is φ = 25856642448.

The previous prime is 30213102019. The next prime is 30213102041. The reversal of 30213102031 is 13020131203.

It is not a de Polignac number, because 30213102031 - 2⁵ = 30213101999 is a prime.

It is a super-2 number, since 2×30213102031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30213101996 and 30213102014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30213102001) 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, 447960 + ... + 510973.

It is an arithmetic number, because the mean of its divisors is an integer number (2933379106).

Almost surely, 2^30213102031 is an apocalyptic number.

30213102031 is a deficient number, since it is larger than the sum of its proper divisors (4987447241).

30213102031 is an equidigital number, since it uses as much as digits as its factorization.

30213102031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959590 (or 959583 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30213102031 its reverse (13020131203), we get a palindrome (43233233234).

The spelling of 30213102031 in words is "thirty billion, two hundred thirteen million, one hundred two thousand, thirty-one".