30146520631 has 16 divisors (see below), whose sum is σ = 32764284000. Its totient is φ = 27625374720.

The previous prime is 30146520629. The next prime is 30146520641. The reversal of 30146520631 is 13602564103.

It is a cyclic number.

It is not a de Polignac number, because 30146520631 - 2¹ = 30146520629 is a prime.

It is a super-2 number, since 2×30146520631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30146520593 and 30146520602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30146520641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304465 + ... + 391141.

It is an arithmetic number, because the mean of its divisors is an integer number (2047767750).

Almost surely, 2^30146520631 is an apocalyptic number.

30146520631 is a deficient number, since it is larger than the sum of its proper divisors (2617763369).

30146520631 is a wasteful number, since it uses less digits than its factorization.

30146520631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87234.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 30146520631 in words is "thirty billion, one hundred forty-six million, five hundred twenty thousand, six hundred thirty-one".