31523335045345 has 16 divisors (see below), whose sum is σ = 44441289127872. Its totient is φ = 21162518631360.

The previous prime is 31523335045291. The next prime is 31523335045351. The reversal of 31523335045345 is 54354053332513.

It is not a de Polignac number, because 31523335045345 - 2¹⁷ = 31523334914273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31523335045295 and 31523335045304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22044289527 + ... + 22044290956.

It is an arithmetic number, because the mean of its divisors is an integer number (2777580570492).

Almost surely, 2^{31523335045345} is an apocalyptic number.

It is an amenable number.

31523335045345 is a deficient number, since it is larger than the sum of its proper divisors (12917954082527).

31523335045345 is a wasteful number, since it uses less digits than its factorization.

31523335045345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44088580512.

The product of its (nonzero) digits is 4860000, while the sum is 46.

Adding to 31523335045345 its reverse (54354053332513), we get a palindrome (85877388377858).

The spelling of 31523335045345 in words is "thirty-one trillion, five hundred twenty-three billion, three hundred thirty-five million, forty-five thousand, three hundred forty-five".