31402324323 has 32 divisors (see below), whose sum is σ = 46722732800. Its totient is φ = 20844734400.

The previous prime is 31402324319. The next prime is 31402324339. The reversal of 31402324323 is 32342320413.

31402324323 is a `hidden beast` number, since 3 + 14 + 0 + 2 + 324 + 323 = 666.

It is not a de Polignac number, because 31402324323 - 2² = 31402324319 is a prime.

It is a super-2 number, since 2×31402324323² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31402322323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7068783 + ... + 7073223.

It is an arithmetic number, because the mean of its divisors is an integer number (1460085400).

Almost surely, 2^31402324323 is an apocalyptic number.

31402324323 is a deficient number, since it is larger than the sum of its proper divisors (15320408477).

31402324323 is a wasteful number, since it uses less digits than its factorization.

31402324323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5520 (or 5514 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 31402324323 its reverse (32342320413), we get a palindrome (63744644736).

The spelling of 31402324323 in words is "thirty-one billion, four hundred two million, three hundred twenty-four thousand, three hundred twenty-three".