30100029931 has 2 divisors, whose sum is σ = 30100029932. Its totient is φ = 30100029930.

The previous prime is 30100029913. The next prime is 30100029959. The reversal of 30100029931 is 13992000103.

Together with previous prime (30100029913) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (30100029959) can be obtained adding 30100029931 to its sum of digits (28).

It is a weak prime.

It is an emirp because it is prime and its reverse (13992000103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30100029931 - 2⁵ = 30100029899 is a prime.

It is a super-2 number, since 2×30100029931² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30100029931.

It is not a weakly prime, because it can be changed into another prime (30100029901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15050014965 + 15050014966.

It is an arithmetic number, because the mean of its divisors is an integer number (15050014966).

Almost surely, 2^30100029931 is an apocalyptic number.

30100029931 is a deficient number, since it is larger than the sum of its proper divisors (1).

30100029931 is an equidigital number, since it uses as much as digits as its factorization.

30100029931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 28.

The spelling of 30100029931 in words is "thirty billion, one hundred million, twenty-nine thousand, nine hundred thirty-one".