30512552550131 has 4 divisors (see below), whose sum is σ = 30512569907592. Its totient is φ = 30512535192672.

The previous prime is 30512552550121. The next prime is 30512552550157. The reversal of 30512552550131 is 13105525521503.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30512552550131 is a prime.

It is a super-2 number, since 2×30512552550131² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30512552550121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5701430 + ... + 9671163.

It is an arithmetic number, because the mean of its divisors is an integer number (7628142476898).

Almost surely, 2^{30512552550131} is an apocalyptic number.

30512552550131 is a deficient number, since it is larger than the sum of its proper divisors (17357461).

30512552550131 is a wasteful number, since it uses less digits than its factorization.

30512552550131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17357460.

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 30512552550131 in words is "thirty trillion, five hundred twelve billion, five hundred fifty-two million, five hundred fifty thousand, one hundred thirty-one".