31445714573 has 36 divisors (see below), whose sum is σ = 40088085408. Its totient is φ = 24579828000.

The previous prime is 31445714561. The next prime is 31445714591. The reversal of 31445714573 is 37541754413.

It is not a de Polignac number, because 31445714573 - 2²² = 31441520269 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31445714173) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 664448 + ... + 710198.

It is an arithmetic number, because the mean of its divisors is an integer number (1113557928).

Almost surely, 2^31445714573 is an apocalyptic number.

It is an amenable number.

31445714573 is a deficient number, since it is larger than the sum of its proper divisors (8642370835).

31445714573 is a wasteful number, since it uses less digits than its factorization.

31445714573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45874 (or 45854 counting only the distinct ones).

The product of its digits is 705600, while the sum is 44.

The spelling of 31445714573 in words is "thirty-one billion, four hundred forty-five million, seven hundred fourteen thousand, five hundred seventy-three".