20232203031 has 16 divisors (see below), whose sum is σ = 29981145600. Its totient is φ = 13484755224.

The previous prime is 20232203027. The next prime is 20232203059. The reversal of 20232203031 is 13030223202.

It is a happy number.

It is not a de Polignac number, because 20232203031 - 2² = 20232203027 is a prime.

It is a super-2 number, since 2×20232203031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20232202995 and 20232203013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20232203021) 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, 18280 + ... + 201986.

It is an arithmetic number, because the mean of its divisors is an integer number (1873821600).

Almost surely, 2^20232203031 is an apocalyptic number.

20232203031 is a deficient number, since it is larger than the sum of its proper divisors (9748942569).

20232203031 is a wasteful number, since it uses less digits than its factorization.

20232203031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187795 (or 187789 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20232203031 its reverse (13030223202), we get a palindrome (33262426233).

The spelling of 20232203031 in words is "twenty billion, two hundred thirty-two million, two hundred three thousand, thirty-one".