30122102031 has 16 divisors (see below), whose sum is σ = 45904875264. Its totient is φ = 17210931264.

The previous prime is 30122102027. The next prime is 30122102039. The reversal of 30122102031 is 13020122103.

It is not a de Polignac number, because 30122102031 - 2² = 30122102027 is a prime.

It is a super-2 number, since 2×30122102031² (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 30122102031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30122102039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165451 + ... + 296003.

It is an arithmetic number, because the mean of its divisors is an integer number (2869054704).

Almost surely, 2^30122102031 is an apocalyptic number.

30122102031 is a deficient number, since it is larger than the sum of its proper divisors (15782773233).

30122102031 is a wasteful number, since it uses less digits than its factorization.

30122102031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141550.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30122102031 its reverse (13020122103), we get a palindrome (43142224134).

The spelling of 30122102031 in words is "thirty billion, one hundred twenty-two million, one hundred two thousand, thirty-one".