102142143231 has 16 divisors (see below), whose sum is σ = 136326609120. Its totient is φ = 68026262400.

The previous prime is 102142143217. The next prime is 102142143251. The reversal of 102142143231 is 132341241201.

It is not a de Polignac number, because 102142143231 - 2⁶ = 102142143167 is a prime.

It is a super-2 number, since 2×102142143231² (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 (102142143211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17913681 + ... + 17919381.

It is an arithmetic number, because the mean of its divisors is an integer number (8520413070).

Almost surely, 2^102142143231 is an apocalyptic number.

102142143231 is a deficient number, since it is larger than the sum of its proper divisors (34184465889).

102142143231 is a wasteful number, since it uses less digits than its factorization.

102142143231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10666.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 102142143231 its reverse (132341241201), we get a palindrome (234483384432).

The spelling of 102142143231 in words is "one hundred two billion, one hundred forty-two million, one hundred forty-three thousand, two hundred thirty-one".