31225141323 has 48 divisors (see below), whose sum is σ = 48914326656. Its totient is φ = 19119513600.

The previous prime is 31225141309. The next prime is 31225141327. The reversal of 31225141323 is 32314152213.

31225141323 is a `hidden beast` number, since 3 + 1 + 225 + 1 + 413 + 23 = 666.

It is not a de Polignac number, because 31225141323 - 2⁹ = 31225140811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31225141327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2532273 + ... + 2544573.

It is an arithmetic number, because the mean of its divisors is an integer number (1019048472).

Almost surely, 2^31225141323 is an apocalyptic number.

31225141323 is a deficient number, since it is larger than the sum of its proper divisors (17689185333).

31225141323 is a wasteful number, since it uses less digits than its factorization.

31225141323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12724 (or 12721 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

Adding to 31225141323 its reverse (32314152213), we get a palindrome (63539293536).

The spelling of 31225141323 in words is "thirty-one billion, two hundred twenty-five million, one hundred forty-one thousand, three hundred twenty-three".