31424131323 has 24 divisors (see below), whose sum is σ = 48892814880. Its totient is φ = 19333641600.

The previous prime is 31424131309. The next prime is 31424131337. The reversal of 31424131323 is 32313142413.

It is a happy number.

31424131323 is a `hidden beast` number, since 314 + 24 + 1 + 3 + 1 + 323 = 666.

It is an interprime number because it is at equal distance from previous prime (31424131309) and next prime (31424131337).

It is not a de Polignac number, because 31424131323 - 2¹⁶ = 31424065787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31424131523) 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 23 ways as a sum of consecutive naturals, for example, 548223 + ... + 602823.

It is an arithmetic number, because the mean of its divisors is an integer number (2037200620).

Almost surely, 2^31424131323 is an apocalyptic number.

31424131323 is a deficient number, since it is larger than the sum of its proper divisors (17468683557).

31424131323 is a wasteful number, since it uses less digits than its factorization.

31424131323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59539 (or 59536 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 31424131323 its reverse (32313142413), we get a palindrome (63737273736).

The spelling of 31424131323 in words is "thirty-one billion, four hundred twenty-four million, one hundred thirty-one thousand, three hundred twenty-three".