31103313344 has 14 divisors (see below), whose sum is σ = 61720637544. Its totient is φ = 15551656640.

The previous prime is 31103313337. The next prime is 31103313361. The reversal of 31103313344 is 44331330113.

It is a super-2 number, since 2×31103313344² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242994572 + ... + 242994699.

Almost surely, 2^31103313344 is an apocalyptic number.

It is an amenable number.

31103313344 is a deficient number, since it is larger than the sum of its proper divisors (30617324200).

31103313344 is an equidigital number, since it uses as much as digits as its factorization.

31103313344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485989283 (or 485989273 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 31103313344 its reverse (44331330113), we get a palindrome (75434643457).

The spelling of 31103313344 in words is "thirty-one billion, one hundred three million, three hundred thirteen thousand, three hundred forty-four".