31020223200023 has 16 divisors (see below), whose sum is σ = 33163475673600. Its totient is φ = 28929299384160.

The previous prime is 31020223199981. The next prime is 31020223200077. The reversal of 31020223200023 is 32000232202013.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31020223200023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31020223199968 and 31020223200004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31020223203023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16726283 + ... + 18488076.

It is an arithmetic number, because the mean of its divisors is an integer number (2072717229600).

Almost surely, 2^{31020223200023} is an apocalyptic number.

31020223200023 is a deficient number, since it is larger than the sum of its proper divisors (2143252473577).

31020223200023 is a wasteful number, since it uses less digits than its factorization.

31020223200023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35215102.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 31020223200023 its reverse (32000232202013), we get a palindrome (63020455402036).

The spelling of 31020223200023 in words is "thirty-one trillion, twenty billion, two hundred twenty-three million, two hundred thousand, twenty-three".