31124343323 has 4 divisors (see below), whose sum is σ = 31164608448. Its totient is φ = 31084078200.

The previous prime is 31124343287. The next prime is 31124343331. The reversal of 31124343323 is 32334342113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32334342113 = 127 ⋅254601119.

It is a cyclic number.

It is not a de Polignac number, because 31124343323 - 2¹² = 31124339227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31124342323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20131403 + ... + 20132948.

It is an arithmetic number, because the mean of its divisors is an integer number (7791152112).

Almost surely, 2^31124343323 is an apocalyptic number.

31124343323 is a deficient number, since it is larger than the sum of its proper divisors (40265125).

31124343323 is an equidigital number, since it uses as much as digits as its factorization.

31124343323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40265124.

The product of its digits is 15552, while the sum is 29.

Adding to 31124343323 its reverse (32334342113), we get a palindrome (63458685436).

The spelling of 31124343323 in words is "thirty-one billion, one hundred twenty-four million, three hundred forty-three thousand, three hundred twenty-three".