30102030131 has 4 divisors (see below), whose sum is σ = 31140031200. Its totient is φ = 29064029064.

The previous prime is 30102030107. The next prime is 30102030139. The reversal of 30102030131 is 13103020103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13103020103 = 19 ⋅689632637.

It is a cyclic number.

It is not a de Polignac number, because 30102030131 - 2¹⁸ = 30101767987 is a prime.

It is a super-2 number, since 2×30102030131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30102030139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519000491 + ... + 519000548.

It is an arithmetic number, because the mean of its divisors is an integer number (7785007800).

Almost surely, 2^30102030131 is an apocalyptic number.

30102030131 is a deficient number, since it is larger than the sum of its proper divisors (1038001069).

30102030131 is a wasteful number, since it uses less digits than its factorization.

30102030131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038001068.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 30102030131 its reverse (13103020103), we get a palindrome (43205050234).

The spelling of 30102030131 in words is "thirty billion, one hundred two million, thirty thousand, one hundred thirty-one".