31004024323 has 16 divisors (see below), whose sum is σ = 32722678080. Its totient is φ = 29330211456.

The previous prime is 31004024321. The next prime is 31004024333. The reversal of 31004024323 is 32342040013.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 31004024323 - 2¹ = 31004024321 is a prime.

It is a super-2 number, since 2×31004024323² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31004024294 and 31004024303.

It is not an unprimeable number, because it can be changed into a prime (31004024321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1150186 + ... + 1176832.

It is an arithmetic number, because the mean of its divisors is an integer number (2045167380).

Almost surely, 2^31004024323 is an apocalyptic number.

31004024323 is a deficient number, since it is larger than the sum of its proper divisors (1718653757).

31004024323 is a wasteful number, since it uses less digits than its factorization.

31004024323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27486.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 31004024323 its reverse (32342040013), we get a palindrome (63346064336).

The spelling of 31004024323 in words is "thirty-one billion, four million, twenty-four thousand, three hundred twenty-three".