30432140239 has 4 divisors (see below), whose sum is σ = 30434057424. Its totient is φ = 30430223056.

The previous prime is 30432140197. The next prime is 30432140293. The reversal of 30432140239 is 93204123403.

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

It is a cyclic number.

It is not a de Polignac number, because 30432140239 - 2¹³ = 30432132047 is a prime.

It is a super-2 number, since 2×30432140239² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30432140239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30432143239) 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, 934582 + ... + 966595.

It is an arithmetic number, because the mean of its divisors is an integer number (7608514356).

Almost surely, 2^30432140239 is an apocalyptic number.

30432140239 is a deficient number, since it is larger than the sum of its proper divisors (1917185).

30432140239 is a wasteful number, since it uses less digits than its factorization.

30432140239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917184.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 30432140239 in words is "thirty billion, four hundred thirty-two million, one hundred forty thousand, two hundred thirty-nine".