102234015231 has 4 divisors (see below), whose sum is σ = 136312020312. Its totient is φ = 68156010152.

The previous prime is 102234015227. The next prime is 102234015271. The reversal of 102234015231 is 132510432201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102234015231 - 2² = 102234015227 is a prime.

It is a super-2 number, since 2×102234015231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102234015271) 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, 17039002536 + ... + 17039002541.

It is an arithmetic number, because the mean of its divisors is an integer number (34078005078).

Almost surely, 2^102234015231 is an apocalyptic number.

102234015231 is a deficient number, since it is larger than the sum of its proper divisors (34078005081).

102234015231 is an equidigital number, since it uses as much as digits as its factorization.

102234015231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34078005080.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 102234015231 its reverse (132510432201), we get a palindrome (234744447432).

The spelling of 102234015231 in words is "one hundred two billion, two hundred thirty-four million, fifteen thousand, two hundred thirty-one".