31234536323 has 4 divisors (see below), whose sum is σ = 31235801520. Its totient is φ = 31233271128.

The previous prime is 31234536317. The next prime is 31234536329. The reversal of 31234536323 is 32363543213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32363543213 = 89 ⋅363635317.

It is an interprime number because it is at equal distance from previous prime (31234536317) and next prime (31234536329).

It is a cyclic number.

It is not a de Polignac number, because 31234536323 - 2¹⁸ = 31234274179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31234536329) 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, 594815 + ... + 645192.

It is an arithmetic number, because the mean of its divisors is an integer number (7808950380).

Almost surely, 2^31234536323 is an apocalyptic number.

31234536323 is a deficient number, since it is larger than the sum of its proper divisors (1265197).

31234536323 is a wasteful number, since it uses less digits than its factorization.

31234536323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265196.

The product of its digits is 116640, while the sum is 35.

The spelling of 31234536323 in words is "thirty-one billion, two hundred thirty-four million, five hundred thirty-six thousand, three hundred twenty-three".