231302140043 has 8 divisors (see below), whose sum is σ = 249118910208. Its totient is φ = 213488841024.

The previous prime is 231302140037. The next prime is 231302140057. The reversal of 231302140043 is 340041203132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231302140043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231302146043) 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, 728555 + ... + 996692.

It is an arithmetic number, because the mean of its divisors is an integer number (31139863776).

Almost surely, 2^231302140043 is an apocalyptic number.

231302140043 is a deficient number, since it is larger than the sum of its proper divisors (17816770165).

231302140043 is a wasteful number, since it uses less digits than its factorization.

231302140043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735573.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 231302140043 its reverse (340041203132), we get a palindrome (571343343175).

The spelling of 231302140043 in words is "two hundred thirty-one billion, three hundred two million, one hundred forty thousand, forty-three".