30033142431 has 16 divisors (see below), whose sum is σ = 40235779584. Its totient is φ = 19926385344.

The previous prime is 30033142393. The next prime is 30033142483. The reversal of 30033142431 is 13424133003.

It is not a de Polignac number, because 30033142431 - 2²³ = 30024753823 is a prime.

It is a super-2 number, since 2×30033142431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30033141431) 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, 1589220 + ... + 1608006.

It is an arithmetic number, because the mean of its divisors is an integer number (2514736224).

Almost surely, 2^30033142431 is an apocalyptic number.

30033142431 is a deficient number, since it is larger than the sum of its proper divisors (10202637153).

30033142431 is a wasteful number, since it uses less digits than its factorization.

30033142431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21310.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 30033142431 its reverse (13424133003), we get a palindrome (43457275434).

The spelling of 30033142431 in words is "thirty billion, thirty-three million, one hundred forty-two thousand, four hundred thirty-one".