30311332131 has 8 divisors (see below), whose sum is σ = 41177658960. Its totient is φ = 19826280032.

The previous prime is 30311332109. The next prime is 30311332193. The reversal of 30311332131 is 13123311303.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30311332131 - 2⁷ = 30311332003 is a prime.

It is a super-2 number, since 2×30311332131² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30311332098 and 30311332107.

It is not an unprimeable number, because it can be changed into a prime (30311332631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95318496 + ... + 95318813.

It is an arithmetic number, because the mean of its divisors is an integer number (5147207370).

Almost surely, 2^30311332131 is an apocalyptic number.

30311332131 is a deficient number, since it is larger than the sum of its proper divisors (10866326829).

30311332131 is a wasteful number, since it uses less digits than its factorization.

30311332131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190637365.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 30311332131 its reverse (13123311303), we get a palindrome (43434643434).

The spelling of 30311332131 in words is "thirty billion, three hundred eleven million, three hundred thirty-two thousand, one hundred thirty-one".