102312101231 has 4 divisors (see below), whose sum is σ = 103607191200. Its totient is φ = 101017011264.

The previous prime is 102312101207. The next prime is 102312101233. The reversal of 102312101231 is 132101213201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132101213201 = 941 ⋅140383861.

It is a cyclic number.

It is not a de Polignac number, because 102312101231 - 2¹⁸ = 102311839087 is a prime.

It is a super-2 number, since 2×102312101231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102312101233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647544866 + ... + 647545023.

It is an arithmetic number, because the mean of its divisors is an integer number (25901797800).

Almost surely, 2^102312101231 is an apocalyptic number.

102312101231 is a deficient number, since it is larger than the sum of its proper divisors (1295089969).

102312101231 is an equidigital number, since it uses as much as digits as its factorization.

102312101231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295089968.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 102312101231 its reverse (132101213201), we get a palindrome (234413314432).

The spelling of 102312101231 in words is "one hundred two billion, three hundred twelve million, one hundred one thousand, two hundred thirty-one".