30031144102 has 4 divisors (see below), whose sum is σ = 45046716156. Its totient is φ = 15015572050.

The previous prime is 30031144093. The next prime is 30031144123. The reversal of 30031144102 is 20144113003.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 30031144102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7507786024 + ... + 7507786027.

It is an arithmetic number, because the mean of its divisors is an integer number (11261679039).

Almost surely, 2^30031144102 is an apocalyptic number.

30031144102 is a deficient number, since it is larger than the sum of its proper divisors (15015572054).

30031144102 is a wasteful number, since it uses less digits than its factorization.

30031144102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15015572053.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 30031144102 its reverse (20144113003), we get a palindrome (50175257105).

The spelling of 30031144102 in words is "thirty billion, thirty-one million, one hundred forty-four thousand, one hundred two".