431033221139 has 4 divisors (see below), whose sum is σ = 431417045256. Its totient is φ = 430649397024.

The previous prime is 431033221037. The next prime is 431033221141. The reversal of 431033221139 is 931122330134.

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 431033221139 - 2¹⁶ = 431033155603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431033229139) 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, 191910374 + ... + 191912619.

It is an arithmetic number, because the mean of its divisors is an integer number (107854261314).

Almost surely, 2^431033221139 is an apocalyptic number.

431033221139 is a deficient number, since it is larger than the sum of its proper divisors (383824117).

431033221139 is a wasteful number, since it uses less digits than its factorization.

431033221139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383824116.

The product of its (nonzero) digits is 11664, while the sum is 32.

The spelling of 431033221139 in words is "four hundred thirty-one billion, thirty-three million, two hundred twenty-one thousand, one hundred thirty-nine".