31434420332 has 12 divisors (see below), whose sum is σ = 62868840720. Its totient is φ = 13471894416.

The previous prime is 31434420313. The next prime is 31434420383. The reversal of 31434420332 is 23302443413.

31434420332 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 31434420295 and 31434420304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561328907 + ... + 561328962.

It is an arithmetic number, because the mean of its divisors is an integer number (5239070060).

Almost surely, 2^31434420332 is an apocalyptic number.

It is an amenable number.

31434420332 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31434420332 is a wasteful number, since it uses less digits than its factorization.

31434420332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122657880 (or 1122657878 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 31434420332 its reverse (23302443413), we get a palindrome (54736863745).

The spelling of 31434420332 in words is "thirty-one billion, four hundred thirty-four million, four hundred twenty thousand, three hundred thirty-two".