31744974519973 has 24 divisors (see below), whose sum is σ = 37642296732480. Its totient is φ = 26537849544960.

The previous prime is 31744974519949. The next prime is 31744974520019. The reversal of 31744974519973 is 37991547944713.

It is not a de Polignac number, because 31744974519973 - 2⁵ = 31744974519941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31744974519896 and 31744974519905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31744974519943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31975668 + ... + 32953501.

It is an arithmetic number, because the mean of its divisors is an integer number (1568429030520).

Almost surely, 2^{31744974519973} is an apocalyptic number.

It is an amenable number.

31744974519973 is a deficient number, since it is larger than the sum of its proper divisors (5897322212507).

31744974519973 is a wasteful number, since it uses less digits than its factorization.

31744974519973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64929469 (or 64929456 counting only the distinct ones).

The product of its digits is 720135360, while the sum is 73.

The spelling of 31744974519973 in words is "thirty-one trillion, seven hundred forty-four billion, nine hundred seventy-four million, five hundred nineteen thousand, nine hundred seventy-three".