320231516510233 has 4 divisors (see below), whose sum is σ = 320917237102800. Its totient is φ = 319545795917668.

The previous prime is 320231516510219. The next prime is 320231516510249. The reversal of 320231516510233 is 332015615132023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 320231516510233 - 2¹³ = 320231516502041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320231516510192 and 320231516510201.

It is not an unprimeable number, because it can be changed into a prime (320231586510233) 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, 342860295583 + ... + 342860296516.

It is an arithmetic number, because the mean of its divisors is an integer number (80229309275700).

Almost surely, 2^{320231516510233} is an apocalyptic number.

It is an amenable number.

320231516510233 is a deficient number, since it is larger than the sum of its proper divisors (685720592567).

320231516510233 is an equidigital number, since it uses as much as digits as its factorization.

320231516510233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685720592566.

The product of its (nonzero) digits is 97200, while the sum is 37.

The spelling of 320231516510233 in words is "three hundred twenty trillion, two hundred thirty-one billion, five hundred sixteen million, five hundred ten thousand, two hundred thirty-three".