102140403231 has 16 divisors (see below), whose sum is σ = 142302329856. Its totient is φ = 65044120416.

The previous prime is 102140403223. The next prime is 102140403241. The reversal of 102140403231 is 132304041201.

It is not a de Polignac number, because 102140403231 - 2³ = 102140403223 is a prime.

It is a super-2 number, since 2×102140403231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102140403198 and 102140403207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102140403241) 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, 959175 + ... + 1060328.

It is an arithmetic number, because the mean of its divisors is an integer number (8893895616).

Almost surely, 2^102140403231 is an apocalyptic number.

102140403231 is a deficient number, since it is larger than the sum of its proper divisors (40161926625).

102140403231 is a wasteful number, since it uses less digits than its factorization.

102140403231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020262.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 102140403231 its reverse (132304041201), we get a palindrome (234444444432).

The spelling of 102140403231 in words is "one hundred two billion, one hundred forty million, four hundred three thousand, two hundred thirty-one".