30131330132 has 12 divisors (see below), whose sum is σ = 52786109460. Its totient is φ = 15049584576.

The previous prime is 30131330083. The next prime is 30131330137. The reversal of 30131330132 is 23103313103.

It can be written as a sum of positive squares in 2 ways, for example, as 15626500036 + 14504830096 = 125006^2 + 120436^2 .

It is a super-2 number, since 2×30131330132² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30131330137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4015907 + ... + 4023402.

It is an arithmetic number, because the mean of its divisors is an integer number (4398842455).

Almost surely, 2^30131330132 is an apocalyptic number.

It is an amenable number.

30131330132 is a deficient number, since it is larger than the sum of its proper divisors (22654779328).

30131330132 is a wasteful number, since it uses less digits than its factorization.

30131330132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8040250 (or 8040248 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 30131330132 its reverse (23103313103), we get a palindrome (53234643235).

The spelling of 30131330132 in words is "thirty billion, one hundred thirty-one million, three hundred thirty thousand, one hundred thirty-two".