30402151131 has 16 divisors (see below), whose sum is σ = 45746184960. Its totient is φ = 17790181920.

The previous prime is 30402151057. The next prime is 30402151133. The reversal of 30402151131 is 13115120403.

It is not a de Polignac number, because 30402151131 - 2⁹ = 30402150619 is a prime.

It is a super-2 number, since 2×30402151131² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30402151098 and 30402151107.

It is not an unprimeable number, because it can be changed into a prime (30402151133) 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, 15883135 + ... + 15885048.

It is an arithmetic number, because the mean of its divisors is an integer number (2859136560).

Almost surely, 2^30402151131 is an apocalyptic number.

30402151131 is a deficient number, since it is larger than the sum of its proper divisors (15344033829).

30402151131 is a wasteful number, since it uses less digits than its factorization.

30402151131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31768226.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 30402151131 its reverse (13115120403), we get a palindrome (43517271534).

The spelling of 30402151131 in words is "thirty billion, four hundred two million, one hundred fifty-one thousand, one hundred thirty-one".