31030223203133 has 16 divisors (see below), whose sum is σ = 38696833534464. Its totient is φ = 24173268448560.

The previous prime is 31030223203069. The next prime is 31030223203139. The reversal of 31030223203133 is 33130232203013.

It is a happy number.

It is not a de Polignac number, because 31030223203133 - 2⁶ = 31030223203069 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31030223203139) 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, 50746235 + ... + 51354072.

It is an arithmetic number, because the mean of its divisors is an integer number (2418552095904).

Almost surely, 2^{31030223203133} is an apocalyptic number.

It is an amenable number.

31030223203133 is a deficient number, since it is larger than the sum of its proper divisors (7666610331331).

31030223203133 is a wasteful number, since it uses less digits than its factorization.

31030223203133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102104272.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 31030223203133 its reverse (33130232203013), we get a palindrome (64160455406146).

The spelling of 31030223203133 in words is "thirty-one trillion, thirty billion, two hundred twenty-three million, two hundred three thousand, one hundred thirty-three".