31345322140445 has 8 divisors (see below), whose sum is σ = 37615499919360. Its totient is φ = 25075515478480.

The previous prime is 31345322140439. The next prime is 31345322140499. The reversal of 31345322140445 is 54404122354313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-31345322140445 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92593385 + ... + 92931294.

It is an arithmetic number, because the mean of its divisors is an integer number (4701937489920).

Almost surely, 2^{31345322140445} is an apocalyptic number.

It is an amenable number.

31345322140445 is a deficient number, since it is larger than the sum of its proper divisors (6270177778915).

31345322140445 is a wasteful number, since it uses less digits than its factorization.

31345322140445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185558475.

The product of its (nonzero) digits is 691200, while the sum is 41.

Adding to 31345322140445 its reverse (54404122354313), we get a palindrome (85749444494758).

The spelling of 31345322140445 in words is "thirty-one trillion, three hundred forty-five billion, three hundred twenty-two million, one hundred forty thousand, four hundred forty-five".