102140431410 has 32 divisors (see below), whose sum is σ = 250837899840. Its totient is φ = 26604019008.

The previous prime is 102140431307. The next prime is 102140431411. The reversal of 102140431410 is 14134041201.

It is not an unprimeable number, because it can be changed into a prime (102140431411) 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, 39588025 + ... + 39590604.

It is an arithmetic number, because the mean of its divisors is an integer number (7838684370).

Almost surely, 2^102140431410 is an apocalyptic number.

102140431410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102140431410 is an abundant number, since it is smaller than the sum of its proper divisors (148697468430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102140431410 is a wasteful number, since it uses less digits than its factorization.

102140431410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79178682.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 102140431410 its reverse (14134041201), we get a palindrome (116274472611).

The spelling of 102140431410 in words is "one hundred two billion, one hundred forty million, four hundred thirty-one thousand, four hundred ten".