231303142203 has 32 divisors (see below), whose sum is σ = 353223438336. Its totient is φ = 131887986048.

The previous prime is 231303142201. The next prime is 231303142223. The reversal of 231303142203 is 302241303132.

It is not a de Polignac number, because 231303142203 - 2¹ = 231303142201 is a prime.

It is a super-2 number, since 2×231303142203² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231303142201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19802601 + ... + 19814277.

It is an arithmetic number, because the mean of its divisors is an integer number (11038232448).

Almost surely, 2^231303142203 is an apocalyptic number.

231303142203 is a deficient number, since it is larger than the sum of its proper divisors (121920296133).

231303142203 is a wasteful number, since it uses less digits than its factorization.

231303142203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13643.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 231303142203 its reverse (302241303132), we get a palindrome (533544445335).

The spelling of 231303142203 in words is "two hundred thirty-one billion, three hundred three million, one hundred forty-two thousand, two hundred three".