31463023444 has 12 divisors (see below), whose sum is σ = 55086738784. Its totient is φ = 15723955224.

The previous prime is 31463023421. The next prime is 31463023453. The reversal of 31463023444 is 44432036413.

It is a super-2 number, since 2×31463023444² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1879752 + ... + 1896415.

Almost surely, 2^31463023444 is an apocalyptic number.

It is an amenable number.

31463023444 is a deficient number, since it is larger than the sum of its proper divisors (23623715340).

31463023444 is a wasteful number, since it uses less digits than its factorization.

31463023444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3778254 (or 3778252 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 31463023444 its reverse (44432036413), we get a palindrome (75895059857).

The spelling of 31463023444 in words is "thirty-one billion, four hundred sixty-three million, twenty-three thousand, four hundred forty-four".