31402323244 has 24 divisors (see below), whose sum is σ = 55045605888. Its totient is φ = 15675033600.

The previous prime is 31402323229. The next prime is 31402323289. The reversal of 31402323244 is 44232320413.

It is a super-2 number, since 2×31402323244² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9081964 + ... + 9085420.

It is an arithmetic number, because the mean of its divisors is an integer number (2293566912).

Almost surely, 2^31402323244 is an apocalyptic number.

It is an amenable number.

31402323244 is a deficient number, since it is larger than the sum of its proper divisors (23643282644).

31402323244 is a wasteful number, since it uses less digits than its factorization.

31402323244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6585 (or 6583 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 31402323244 its reverse (44232320413), we get a palindrome (75634643657).

The spelling of 31402323244 in words is "thirty-one billion, four hundred two million, three hundred twenty-three thousand, two hundred forty-four".