30204033431 has 12 divisors (see below), whose sum is σ = 35753282376. Its totient is φ = 25346040720.

The previous prime is 30204033427. The next prime is 30204033437. The reversal of 30204033431 is 13433040203.

It is not a de Polignac number, because 30204033431 - 2² = 30204033427 is a prime.

It is a super-2 number, since 2×30204033431² (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 = 30204033397 and 30204033406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30204033437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9599201 + ... + 9602346.

It is an arithmetic number, because the mean of its divisors is an integer number (2979440198).

Almost surely, 2^30204033431 is an apocalyptic number.

30204033431 is a deficient number, since it is larger than the sum of its proper divisors (5549248945).

30204033431 is a wasteful number, since it uses less digits than its factorization.

30204033431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19201582 (or 19201571 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 30204033431 its reverse (13433040203), we get a palindrome (43637073634).

The spelling of 30204033431 in words is "thirty billion, two hundred four million, thirty-three thousand, four hundred thirty-one".