20223312031 has 8 divisors (see below), whose sum is σ = 21780624320. Its totient is φ = 18666238752.

The previous prime is 20223312007. The next prime is 20223312061. The reversal of 20223312031 is 13021332202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20223312031 - 2¹⁷ = 20223180959 is a prime.

It is a super-2 number, since 2×20223312031² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223312061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140986 + ... + 245608.

It is an arithmetic number, because the mean of its divisors is an integer number (2722578040).

Almost surely, 2^20223312031 is an apocalyptic number.

20223312031 is a deficient number, since it is larger than the sum of its proper divisors (1557312289).

20223312031 is a wasteful number, since it uses less digits than its factorization.

20223312031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119505.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20223312031 its reverse (13021332202), we get a palindrome (33244644233).

The spelling of 20223312031 in words is "twenty billion, two hundred twenty-three million, three hundred twelve thousand, thirty-one".