202103232031 has 4 divisors (see below), whose sum is σ = 205528710600. Its totient is φ = 198677753464.

The previous prime is 202103232011. The next prime is 202103232061. The reversal of 202103232031 is 130232301202.

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

It is a cyclic number.

It is not a de Polignac number, because 202103232031 - 2¹⁷ = 202103100959 is a prime.

It is a super-2 number, since 2×202103232031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202103232011) 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, 1712739196 + ... + 1712739313.

It is an arithmetic number, because the mean of its divisors is an integer number (51382177650).

Almost surely, 2^202103232031 is an apocalyptic number.

202103232031 is a deficient number, since it is larger than the sum of its proper divisors (3425478569).

202103232031 is an equidigital number, since it uses as much as digits as its factorization.

202103232031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3425478568.

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

Adding to 202103232031 its reverse (130232301202), we get a palindrome (332335533233).

The spelling of 202103232031 in words is "two hundred two billion, one hundred three million, two hundred thirty-two thousand, thirty-one".