102513143 has 2 divisors, whose sum is σ = 102513144. Its totient is φ = 102513142.

The previous prime is 102513107. The next prime is 102513167. The reversal of 102513143 is 341315201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102513143 - 2⁸ = 102512887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102513193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51256571 + 51256572.

It is an arithmetic number, because the mean of its divisors is an integer number (51256572).

Almost surely, 2^102513143 is an apocalyptic number.

102513143 is a deficient number, since it is larger than the sum of its proper divisors (1).

102513143 is an equidigital number, since it uses as much as digits as its factorization.

102513143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 102513143 is about 10124.8774313569. The cubic root of 102513143 is about 468.0150830968.

Adding to 102513143 its reverse (341315201), we get a palindrome (443828344).

The spelling of 102513143 in words is "one hundred two million, five hundred thirteen thousand, one hundred forty-three".