31045233231245 has 8 divisors (see below), whose sum is σ = 37328937756000. Its totient is φ = 24786414666000.

The previous prime is 31045233231161. The next prime is 31045233231289. The reversal of 31045233231245 is 54213233254013.

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

It is not a de Polignac number, because 31045233231245 - 2⁸ = 31045233230989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31045233231199 and 31045233231208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6221487131 + ... + 6221492120.

It is an arithmetic number, because the mean of its divisors is an integer number (4666117219500).

Almost surely, 2^{31045233231245} is an apocalyptic number.

It is an amenable number.

31045233231245 is a deficient number, since it is larger than the sum of its proper divisors (6283704524755).

31045233231245 is a wasteful number, since it uses less digits than its factorization.

31045233231245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12442979755.

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 31045233231245 its reverse (54213233254013), we get a palindrome (85258466485258).

The spelling of 31045233231245 in words is "thirty-one trillion, forty-five billion, two hundred thirty-three million, two hundred thirty-one thousand, two hundred forty-five".