30157121093 has 8 divisors (see below), whose sum is σ = 32919168960. Its totient is φ = 27398488480.

The previous prime is 30157121077. The next prime is 30157121153. The reversal of 30157121093 is 39012175103.

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

It is not a de Polignac number, because 30157121093 - 2⁴ = 30157121077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30157121063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 835328 + ... + 870681.

It is an arithmetic number, because the mean of its divisors is an integer number (4114896120).

Almost surely, 2^30157121093 is an apocalyptic number.

It is an amenable number.

30157121093 is a deficient number, since it is larger than the sum of its proper divisors (2762047867).

30157121093 is a wasteful number, since it uses less digits than its factorization.

30157121093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707627.

The product of its (nonzero) digits is 5670, while the sum is 32.

Adding to 30157121093 its reverse (39012175103), we get a palindrome (69169296196).

The spelling of 30157121093 in words is "thirty billion, one hundred fifty-seven million, one hundred twenty-one thousand, ninety-three".