102143312131 has 8 divisors (see below), whose sum is σ = 116768680704. Its totient is φ = 87526310280.

The previous prime is 102143312107. The next prime is 102143312171. The reversal of 102143312131 is 131213341201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102143312131 - 2⁷ = 102143312003 is a prime.

It is a super-2 number, since 2×102143312131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102143312171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2065495 + ... + 2114368.

It is an arithmetic number, because the mean of its divisors is an integer number (14596085088).

Almost surely, 2^102143312131 is an apocalyptic number.

102143312131 is a deficient number, since it is larger than the sum of its proper divisors (14625368573).

102143312131 is an equidigital number, since it uses as much as digits as its factorization.

102143312131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4183361.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 102143312131 its reverse (131213341201), we get a palindrome (233356653332).

The spelling of 102143312131 in words is "one hundred two billion, one hundred forty-three million, three hundred twelve thousand, one hundred thirty-one".