20231231032 has 16 divisors (see below), whose sum is σ = 38160707760. Its totient is φ = 10055042304.

The previous prime is 20231230991. The next prime is 20231231047. The reversal of 20231231032 is 23013213202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7570233 + ... + 7572904.

It is an arithmetic number, because the mean of its divisors is an integer number (2385044235).

Almost surely, 2^20231231032 is an apocalyptic number.

It is an amenable number.

20231231032 is a deficient number, since it is larger than the sum of its proper divisors (17929476728).

20231231032 is a wasteful number, since it uses less digits than its factorization.

20231231032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15143310 (or 15143306 counting only the distinct ones).

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

Adding to 20231231032 its reverse (23013213202), we get a palindrome (43244444234).

The spelling of 20231231032 in words is "twenty billion, two hundred thirty-one million, two hundred thirty-one thousand, thirty-two".