31475145726245 has 16 divisors (see below), whose sum is σ = 41190453615360. Its totient is φ = 22948967006784.

The previous prime is 31475145726197. The next prime is 31475145726247. The reversal of 31475145726245 is 54262754157413.

It is not a de Polignac number, because 31475145726245 - 2²⁴ = 31475128949029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31475145726247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3064760759 + ... + 3064771028.

It is an arithmetic number, because the mean of its divisors is an integer number (2574403350960).

Almost surely, 2^{31475145726245} is an apocalyptic number.

It is an amenable number.

31475145726245 is a deficient number, since it is larger than the sum of its proper divisors (9715307889115).

31475145726245 is a wasteful number, since it uses less digits than its factorization.

31475145726245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6129531884.

The product of its digits is 28224000, while the sum is 56.

The spelling of 31475145726245 in words is "thirty-one trillion, four hundred seventy-five billion, one hundred forty-five million, seven hundred twenty-six thousand, two hundred forty-five".