31423410344 has 16 divisors (see below), whose sum is σ = 58953395700. Its totient is φ = 15702504832.

The previous prime is 31423410331. The next prime is 31423410373. The reversal of 31423410344 is 44301432413.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 29967072100 + 1456338244 = 173110^2 + 38162^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1135517 + ... + 1162860.

Almost surely, 2^31423410344 is an apocalyptic number.

It is an amenable number.

31423410344 is a deficient number, since it is larger than the sum of its proper divisors (27529985356).

31423410344 is a wasteful number, since it uses less digits than its factorization.

31423410344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2300092 (or 2300088 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 31423410344 its reverse (44301432413), we get a palindrome (75724842757).

The spelling of 31423410344 in words is "thirty-one billion, four hundred twenty-three million, four hundred ten thousand, three hundred forty-four".