102312431111 has 8 divisors (see below), whose sum is σ = 111625820544. Its totient is φ = 93001084920.

The previous prime is 102312431077. The next prime is 102312431141. The reversal of 102312431111 is 111134213201.

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 102312431111 - 2¹⁸ = 102312168967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102312431141) 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, 405155 + ... + 607268.

It is an arithmetic number, because the mean of its divisors is an integer number (13953227568).

Almost surely, 2^102312431111 is an apocalyptic number.

102312431111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102312431111 is a deficient number, since it is larger than the sum of its proper divisors (9313389433).

102312431111 is a wasteful number, since it uses less digits than its factorization.

102312431111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021621.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 102312431111 its reverse (111134213201), we get a palindrome (213446644312).

The spelling of 102312431111 in words is "one hundred two billion, three hundred twelve million, four hundred thirty-one thousand, one hundred eleven".