30102013131 has 32 divisors (see below), whose sum is σ = 41749128960. Its totient is φ = 19279016064.

The previous prime is 30102013127. The next prime is 30102013147. The reversal of 30102013131 is 13131020103.

It is not a de Polignac number, because 30102013131 - 2² = 30102013127 is a prime.

It is a super-2 number, since 2×30102013131² (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 30102013131.

It is not an unprimeable number, because it can be changed into a prime (30102013031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2445765 + ... + 2458041.

It is an arithmetic number, because the mean of its divisors is an integer number (1304660280).

Almost surely, 2^30102013131 is an apocalyptic number.

30102013131 is a deficient number, since it is larger than the sum of its proper divisors (11647115829).

30102013131 is a wasteful number, since it uses less digits than its factorization.

30102013131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12635.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 30102013131 its reverse (13131020103), we get a palindrome (43233033234).

The spelling of 30102013131 in words is "thirty billion, one hundred two million, thirteen thousand, one hundred thirty-one".