31424340324 has 24 divisors (see below), whose sum is σ = 78963727360. Its totient is φ = 9669027744.

The previous prime is 31424340317. The next prime is 31424340329. The reversal of 31424340324 is 42304342413.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31424340291 and 31424340300.

It is not an unprimeable number, because it can be changed into a prime (31424340329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100718884 + ... + 100719195.

Almost surely, 2^31424340324 is an apocalyptic number.

It is an amenable number.

31424340324 is an abundant number, since it is smaller than the sum of its proper divisors (47539387036).

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

31424340324 is a wasteful number, since it uses less digits than its factorization.

31424340324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201438099 (or 201438097 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 31424340324 its reverse (42304342413), we get a palindrome (73728682737).

The spelling of 31424340324 in words is "thirty-one billion, four hundred twenty-four million, three hundred forty thousand, three hundred twenty-four".