231506146303 has 2 divisors, whose sum is σ = 231506146304. Its totient is φ = 231506146302.

The previous prime is 231506146273. The next prime is 231506146343. The reversal of 231506146303 is 303641605132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231506146303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231506146343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115753073151 + 115753073152.

It is an arithmetic number, because the mean of its divisors is an integer number (115753073152).

Almost surely, 2^231506146303 is an apocalyptic number.

231506146303 is a deficient number, since it is larger than the sum of its proper divisors (1).

231506146303 is an equidigital number, since it uses as much as digits as its factorization.

231506146303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 231506146303 in words is "two hundred thirty-one billion, five hundred six million, one hundred forty-six thousand, three hundred three".