231203000131 has 4 divisors (see below), whose sum is σ = 231393605632. Its totient is φ = 231012394632.

The previous prime is 231203000089. The next prime is 231203000153. The reversal of 231203000131 is 131000302132.

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 231203000131 - 2¹¹ = 231202998083 is a prime.

It is a super-2 number, since 2×231203000131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231203000731) 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, 95300931 + ... + 95303356.

It is an arithmetic number, because the mean of its divisors is an integer number (57848401408).

Almost surely, 2^231203000131 is an apocalyptic number.

231203000131 is a deficient number, since it is larger than the sum of its proper divisors (190605501).

231203000131 is a wasteful number, since it uses less digits than its factorization.

231203000131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190605500.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 231203000131 its reverse (131000302132), we get a palindrome (362203302263).

The spelling of 231203000131 in words is "two hundred thirty-one billion, two hundred three million, one hundred thirty-one", and thus it is an aban number.