102053031242 has 8 divisors (see below), whose sum is σ = 153092646756. Its totient is φ = 51022148992.

The previous prime is 102053031209. The next prime is 102053031253. The reversal of 102053031242 is 242130350201.

It can be written as a sum of positive squares in 2 ways, for example, as 58313073361 + 43739957881 = 241481^2 + 209141^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2154023 + ... + 2200890.

Almost surely, 2^102053031242 is an apocalyptic number.

102053031242 is a deficient number, since it is larger than the sum of its proper divisors (51039615514).

102053031242 is a wasteful number, since it uses less digits than its factorization.

102053031242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4366632.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 102053031242 its reverse (242130350201), we get a palindrome (344183381443).

The spelling of 102053031242 in words is "one hundred two billion, fifty-three million, thirty-one thousand, two hundred forty-two".