31444603461 has 20 divisors (see below), whose sum is σ = 47315686572. Its totient is φ = 20810046528.

The previous prime is 31444603441. The next prime is 31444603501. The reversal of 31444603461 is 16430644413.

31444603461 is a `hidden beast` number, since 3 + 1 + 4 + 4 + 4 + 603 + 46 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 26930779236 + 4513824225 = 164106^2 + 67185^2 .

It is not a de Polignac number, because 31444603461 - 2⁶ = 31444603397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31444603441) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 1405710 + ... + 1427903.

Almost surely, 2^31444603461 is an apocalyptic number.

It is an amenable number.

31444603461 is a deficient number, since it is larger than the sum of its proper divisors (15871083111).

31444603461 is a wasteful number, since it uses less digits than its factorization.

31444603461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833762 (or 2833753 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 31444603461 in words is "thirty-one billion, four hundred forty-four million, six hundred three thousand, four hundred sixty-one".