30129513357 has 4 divisors (see below), whose sum is σ = 40172684480. Its totient is φ = 20086342236.

The previous prime is 30129513319. The next prime is 30129513383. The reversal of 30129513357 is 75331592103.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 30129513357 - 2¹⁹ = 30128989069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30129513857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5021585557 + ... + 5021585562.

It is an arithmetic number, because the mean of its divisors is an integer number (10043171120).

Almost surely, 2^30129513357 is an apocalyptic number.

It is an amenable number.

30129513357 is a deficient number, since it is larger than the sum of its proper divisors (10043171123).

30129513357 is a wasteful number, since it uses less digits than its factorization.

30129513357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10043171122.

The product of its (nonzero) digits is 85050, while the sum is 39.

The spelling of 30129513357 in words is "thirty billion, one hundred twenty-nine million, five hundred thirteen thousand, three hundred fifty-seven".