31042250340445 has 32 divisors (see below), whose sum is σ = 38477084405760. Its totient is φ = 24027718901760.

The previous prime is 31042250340401. The next prime is 31042250340469. The reversal of 31042250340445 is 54404305224013.

It is not a de Polignac number, because 31042250340445 - 2²⁵ = 31042216786013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16615711 + ... + 18389299.

It is an arithmetic number, because the mean of its divisors is an integer number (1202408887680).

Almost surely, 2^{31042250340445} is an apocalyptic number.

It is an amenable number.

31042250340445 is a deficient number, since it is larger than the sum of its proper divisors (7434834065315).

31042250340445 is a wasteful number, since it uses less digits than its factorization.

31042250340445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774405.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 31042250340445 its reverse (54404305224013), we get a palindrome (85446555564458).

The spelling of 31042250340445 in words is "thirty-one trillion, forty-two billion, two hundred fifty million, three hundred forty thousand, four hundred forty-five".