30904035142 has 4 divisors (see below), whose sum is σ = 46356052716. Its totient is φ = 15452017570.

The previous prime is 30904035137. The next prime is 30904035143. The reversal of 30904035142 is 24153040903.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30904035143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7726008784 + ... + 7726008787.

It is an arithmetic number, because the mean of its divisors is an integer number (11589013179).

Almost surely, 2^30904035142 is an apocalyptic number.

30904035142 is a deficient number, since it is larger than the sum of its proper divisors (15452017574).

30904035142 is a wasteful number, since it uses less digits than its factorization.

30904035142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15452017573.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 30904035142 in words is "thirty billion, nine hundred four million, thirty-five thousand, one hundred forty-two".