31424144332 has 18 divisors (see below), whose sum is σ = 63970579932. Its totient is φ = 13467490344.

The previous prime is 31424144281. The next prime is 31424144351. The reversal of 31424144332 is 23344142413.

It is a junction number, because it is equal to n+sod(n) for n = 31424144294 and 31424144303.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80163438 + ... + 80163829.

Almost surely, 2^31424144332 is an apocalyptic number.

It is an amenable number.

31424144332 is an abundant number, since it is smaller than the sum of its proper divisors (32546435600).

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

31424144332 is a wasteful number, since it uses less digits than its factorization.

31424144332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160327285 (or 160327276 counting only the distinct ones).

The product of its digits is 27648, while the sum is 31.

Adding to 31424144332 its reverse (23344142413), we get a palindrome (54768286745).

The spelling of 31424144332 in words is "thirty-one billion, four hundred twenty-four million, one hundred forty-four thousand, three hundred thirty-two".