31434142439 has 6 divisors (see below), whose sum is σ = 36566247384. Its totient is φ = 26943550620.

The previous prime is 31434142367. The next prime is 31434142459. The reversal of 31434142439 is 93424143413.

It is not a de Polignac number, because 31434142439 - 2⁸ = 31434142183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31434142459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 320756507 + ... + 320756604.

It is an arithmetic number, because the mean of its divisors is an integer number (6094374564).

Almost surely, 2^31434142439 is an apocalyptic number.

31434142439 is a deficient number, since it is larger than the sum of its proper divisors (5132104945).

31434142439 is an equidigital number, since it uses as much as digits as its factorization.

31434142439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641513125 (or 641513118 counting only the distinct ones).

The product of its digits is 124416, while the sum is 38.

The spelling of 31434142439 in words is "thirty-one billion, four hundred thirty-four million, one hundred forty-two thousand, four hundred thirty-nine".