30131330131 has 16 divisors (see below), whose sum is σ = 35758957248. Its totient is φ = 24851750400.

The previous prime is 30131330083. The next prime is 30131330137. The reversal of 30131330131 is 13103313103.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30131330131 - 2¹³ = 30131321939 is a prime.

It is a super-2 number, since 2×30131330131² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30131330099 and 30131330108.

It is not an unprimeable number, because it can be changed into a prime (30131330137) 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, 698140 + ... + 740041.

It is an arithmetic number, because the mean of its divisors is an integer number (2234934828).

Almost surely, 2^30131330131 is an apocalyptic number.

30131330131 is a deficient number, since it is larger than the sum of its proper divisors (5627627117).

30131330131 is a wasteful number, since it uses less digits than its factorization.

30131330131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438302.

The product of its (nonzero) digits is 243, while the sum is 19.

Adding to 30131330131 its reverse (13103313103), we get a palindrome (43234643234).

The spelling of 30131330131 in words is "thirty billion, one hundred thirty-one million, three hundred thirty thousand, one hundred thirty-one".