31231203023323 has 8 divisors (see below), whose sum is σ = 32340546445680. Its totient is φ = 30124019960160.

The previous prime is 31231203023261. The next prime is 31231203023359. The reversal of 31231203023323 is 32332030213213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31231203023323 - 2¹⁷ = 31231202892251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31231203023291 and 31231203023300.

It is not an unprimeable number, because it can be changed into a prime (31231203021323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540060373 + ... + 540118198.

It is an arithmetic number, because the mean of its divisors is an integer number (4042568305710).

Almost surely, 2^{31231203023323} is an apocalyptic number.

31231203023323 is a deficient number, since it is larger than the sum of its proper divisors (1109343422357).

31231203023323 is a wasteful number, since it uses less digits than its factorization.

31231203023323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080179597.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 31231203023323 its reverse (32332030213213), we get a palindrome (63563233236536).

The spelling of 31231203023323 in words is "thirty-one trillion, two hundred thirty-one billion, two hundred three million, twenty-three thousand, three hundred twenty-three".