31203323023 has 2 divisors, whose sum is σ = 31203323024. Its totient is φ = 31203323022.

The previous prime is 31203322963. The next prime is 31203323051. The reversal of 31203323023 is 32032330213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31203323023 - 2¹⁷ = 31203191951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31203322985 and 31203323003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31203324023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15601661511 + 15601661512.

It is an arithmetic number, because the mean of its divisors is an integer number (15601661512).

Almost surely, 2^31203323023 is an apocalyptic number.

31203323023 is a deficient number, since it is larger than the sum of its proper divisors (1).

31203323023 is an equidigital number, since it uses as much as digits as its factorization.

31203323023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 31203323023 its reverse (32032330213), we get a palindrome (63235653236).

The spelling of 31203323023 in words is "thirty-one billion, two hundred three million, three hundred twenty-three thousand, twenty-three".