31445004253983 has 4 divisors (see below), whose sum is σ = 41926672338648. Its totient is φ = 20963336169320.

The previous prime is 31445004253973. The next prime is 31445004254009. The reversal of 31445004253983 is 38935240054413.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31445004253983 - 2⁸ = 31445004253727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31445004253913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5240834042328 + ... + 5240834042333.

It is an arithmetic number, because the mean of its divisors is an integer number (10481668084662).

Almost surely, 2^{31445004253983} is an apocalyptic number.

31445004253983 is a deficient number, since it is larger than the sum of its proper divisors (10481668084665).

31445004253983 is a wasteful number, since it uses less digits than its factorization.

31445004253983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10481668084664.

The product of its (nonzero) digits is 6220800, while the sum is 51.

The spelling of 31445004253983 in words is "thirty-one trillion, four hundred forty-five billion, four million, two hundred fifty-three thousand, nine hundred eighty-three".