102312242542531 has 8 divisors (see below), whose sum is σ = 116929208140640. Its totient is φ = 87695509681728.

The previous prime is 102312242542507. The next prime is 102312242542553. The reversal of 102312242542531 is 135245242213201.

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

It is a cyclic number.

It is not a de Polignac number, because 102312242542531 - 2⁷ = 102312242542403 is a prime.

It is a super-2 number, since 2×102312242542531² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102312242542561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57241296 + ... + 59001613.

It is an arithmetic number, because the mean of its divisors is an integer number (14616151017580).

Almost surely, 2^{102312242542531} is an apocalyptic number.

102312242542531 is a deficient number, since it is larger than the sum of its proper divisors (14616965598109).

102312242542531 is a wasteful number, since it uses less digits than its factorization.

102312242542531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116368653.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 102312242542531 its reverse (135245242213201), we get a palindrome (237557484755732).

The spelling of 102312242542531 in words is "one hundred two trillion, three hundred twelve billion, two hundred forty-two million, five hundred forty-two thousand, five hundred thirty-one".