31423313051125 has 16 divisors (see below), whose sum is σ = 39218934815424. Its totient is φ = 25136958051600.

The previous prime is 31423313051113. The next prime is 31423313051149. The reversal of 31423313051125 is 52115031332413.

It is a de Polignac number, because none of the positive numbers 2^k-31423313051125 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 6596139 + ... + 10312888.

It is an arithmetic number, because the mean of its divisors is an integer number (2451183425964).

Almost surely, 2^{31423313051125} is an apocalyptic number.

It is an amenable number.

31423313051125 is a deficient number, since it is larger than the sum of its proper divisors (7795621764299).

31423313051125 is a wasteful number, since it uses less digits than its factorization.

31423313051125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16923909 (or 16923899 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 31423313051125 its reverse (52115031332413), we get a palindrome (83538344383538).

The spelling of 31423313051125 in words is "thirty-one trillion, four hundred twenty-three billion, three hundred thirteen million, fifty-one thousand, one hundred twenty-five".