30311132132 has 6 divisors (see below), whose sum is σ = 53044481238. Its totient is φ = 15155566064.

The previous prime is 30311132113. The next prime is 30311132147. The reversal of 30311132132 is 23123111303.

It can be written as a sum of positive squares in only one way, i.e., 25477267456 + 4833864676 = 159616^2 + 69526^2 .

It is a super-2 number, since 2×30311132132² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3788891513 + ... + 3788891520.

It is an arithmetic number, because the mean of its divisors is an integer number (8840746873).

Almost surely, 2^30311132132 is an apocalyptic number.

It is an amenable number.

30311132132 is a deficient number, since it is larger than the sum of its proper divisors (22733349106).

30311132132 is a wasteful number, since it uses less digits than its factorization.

30311132132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7577783037 (or 7577783035 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 30311132132 its reverse (23123111303), we get a palindrome (53434243435).

The spelling of 30311132132 in words is "thirty billion, three hundred eleven million, one hundred thirty-two thousand, one hundred thirty-two".