231015003143 has 2 divisors, whose sum is σ = 231015003144. Its totient is φ = 231015003142.

The previous prime is 231015003103. The next prime is 231015003157. The reversal of 231015003143 is 341300510132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231015003143 - 2⁸ = 231015002887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231015003103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115507501571 + 115507501572.

It is an arithmetic number, because the mean of its divisors is an integer number (115507501572).

Almost surely, 2^231015003143 is an apocalyptic number.

231015003143 is a deficient number, since it is larger than the sum of its proper divisors (1).

231015003143 is an equidigital number, since it uses as much as digits as its factorization.

231015003143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 231015003143 its reverse (341300510132), we get a palindrome (572315513275).

The spelling of 231015003143 in words is "two hundred thirty-one billion, fifteen million, three thousand, one hundred forty-three".