31133003023 has 4 divisors (see below), whose sum is σ = 32964356160. Its totient is φ = 29301649888.

The previous prime is 31133002963. The next prime is 31133003081. The reversal of 31133003023 is 32030033113.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 31133003023 - 2¹³ = 31132994831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31133003093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 915676543 + ... + 915676576.

It is an arithmetic number, because the mean of its divisors is an integer number (8241089040).

Almost surely, 2^31133003023 is an apocalyptic number.

31133003023 is a deficient number, since it is larger than the sum of its proper divisors (1831353137).

31133003023 is a wasteful number, since it uses less digits than its factorization.

31133003023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831353136.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 31133003023 its reverse (32030033113), we get a palindrome (63163036136).

The spelling of 31133003023 in words is "thirty-one billion, one hundred thirty-three million, three thousand, twenty-three".