31434413439 has 64 divisors (see below), whose sum is σ = 51004316160. Its totient is φ = 16957140480.

The previous prime is 31434413377. The next prime is 31434413477. The reversal of 31434413439 is 93431443413.

It is not a de Polignac number, because 31434413439 - 2⁸ = 31434413183 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 31434413397 and 31434413406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31434413239) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15089892 + ... + 15091974.

It is an arithmetic number, because the mean of its divisors is an integer number (796942440).

Almost surely, 2^31434413439 is an apocalyptic number.

31434413439 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

31434413439 is a deficient number, since it is larger than the sum of its proper divisors (19569902721).

31434413439 is a wasteful number, since it uses less digits than its factorization.

31434413439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3352.

The product of its digits is 186624, while the sum is 39.

The spelling of 31434413439 in words is "thirty-one billion, four hundred thirty-four million, four hundred thirteen thousand, four hundred thirty-nine".