231012340203 has 8 divisors (see below), whose sum is σ = 308027685328. Its totient is φ = 154002610944.

The previous prime is 231012340201. The next prime is 231012340241. The reversal of 231012340203 is 302043210132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 231012340203 - 2¹ = 231012340201 is a prime.

It is a super-2 number, since 2×231012340203² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231012340203.

It is not an unprimeable number, because it can be changed into a prime (231012340201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1307026 + ... + 1473207.

It is an arithmetic number, because the mean of its divisors is an integer number (38503460666).

Almost surely, 2^231012340203 is an apocalyptic number.

231012340203 is a deficient number, since it is larger than the sum of its proper divisors (77015345125).

231012340203 is a wasteful number, since it uses less digits than its factorization.

231012340203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2807933.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 231012340203 its reverse (302043210132), we get a palindrome (533055550335).

The spelling of 231012340203 in words is "two hundred thirty-one billion, twelve million, three hundred forty thousand, two hundred three".