102140142031 has 8 divisors (see below), whose sum is σ = 107568969200. Its totient is φ = 96716617920.

The previous prime is 102140142019. The next prime is 102140142047. The reversal of 102140142031 is 130241041201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102140142031 is a prime.

It is a super-2 number, since 2×102140142031² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102140142001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1286190 + ... + 1363291.

It is an arithmetic number, because the mean of its divisors is an integer number (13446121150).

Almost surely, 2^102140142031 is an apocalyptic number.

102140142031 is a deficient number, since it is larger than the sum of its proper divisors (5428827169).

102140142031 is a wasteful number, since it uses less digits than its factorization.

102140142031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2651529.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 102140142031 its reverse (130241041201), we get a palindrome (232381183232).

The spelling of 102140142031 in words is "one hundred two billion, one hundred forty million, one hundred forty-two thousand, thirty-one".