31033220020123 has 2 divisors, whose sum is σ = 31033220020124. Its totient is φ = 31033220020122.

The previous prime is 31033220020091. The next prime is 31033220020141. The reversal of 31033220020123 is 32102002233013.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31033220020123 - 2⁵ = 31033220020091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31033220020094 and 31033220020103.

It is not a weakly prime, because it can be changed into another prime (31033220020193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15516610010061 + 15516610010062.

It is an arithmetic number, because the mean of its divisors is an integer number (15516610010062).

Almost surely, 2^{31033220020123} is an apocalyptic number.

31033220020123 is a deficient number, since it is larger than the sum of its proper divisors (1).

31033220020123 is an equidigital number, since it uses as much as digits as its factorization.

31033220020123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 31033220020123 its reverse (32102002233013), we get a palindrome (63135222253136).

The spelling of 31033220020123 in words is "thirty-one trillion, thirty-three billion, two hundred twenty million, twenty thousand, one hundred twenty-three".