30523143211531 has 8 divisors (see below), whose sum is σ = 32422540629024. Its totient is φ = 28635292283520.

The previous prime is 30523143211501. The next prime is 30523143211537. The reversal of 30523143211531 is 13511234132503.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30523143211531 is a prime.

It is a super-2 number, since 2×30523143211531² (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 (30523143211537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2886616920 + ... + 2886627493.

It is an arithmetic number, because the mean of its divisors is an integer number (4052817578628).

Almost surely, 2^{30523143211531} is an apocalyptic number.

30523143211531 is a deficient number, since it is larger than the sum of its proper divisors (1899397417493).

30523143211531 is a wasteful number, since it uses less digits than its factorization.

30523143211531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5773244741.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 30523143211531 in words is "thirty trillion, five hundred twenty-three billion, one hundred forty-three million, two hundred eleven thousand, five hundred thirty-one".