31343003420432 has 20 divisors (see below), whose sum is σ = 66247711775376. Its totient is φ = 14246819736480.

The previous prime is 31343003420423. The next prime is 31343003420453. The reversal of 31343003420432 is 23402430034313.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89042623178 + ... + 89042623529.

Almost surely, 2^{31343003420432} is an apocalyptic number.

It is an amenable number.

31343003420432 is an abundant number, since it is smaller than the sum of its proper divisors (34904708354944).

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

31343003420432 is a wasteful number, since it uses less digits than its factorization.

31343003420432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178085246726 (or 178085246720 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 31343003420432 its reverse (23402430034313), we get a palindrome (54745433454745).

The spelling of 31343003420432 in words is "thirty-one trillion, three hundred forty-three billion, three million, four hundred twenty thousand, four hundred thirty-two".