30102010031 has 2 divisors, whose sum is σ = 30102010032. Its totient is φ = 30102010030.

The previous prime is 30102009983. The next prime is 30102010033. The reversal of 30102010031 is 13001020103.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30102010031 is a prime.

It is a super-2 number, since 2×30102010031² (a number of 22 digits) contains 22 as substring.

Together with 30102010033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 30102009994 and 30102010021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30102010033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15051005015 + 15051005016.

It is an arithmetic number, because the mean of its divisors is an integer number (15051005016).

Almost surely, 2^30102010031 is an apocalyptic number.

30102010031 is a deficient number, since it is larger than the sum of its proper divisors (1).

30102010031 is an equidigital number, since it uses as much as digits as its factorization.

30102010031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 30102010031 its reverse (13001020103), we get a palindrome (43103030134).

The spelling of 30102010031 in words is "thirty billion, one hundred two million, ten thousand, thirty-one".