30172153201 has 4 divisors (see below), whose sum is σ = 30173862400. Its totient is φ = 30170444004.

The previous prime is 30172153147. The next prime is 30172153213. The reversal of 30172153201 is 10235127103.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 30172153201 - 2¹⁷ = 30172022129 is a prime.

It is a super-2 number, since 2×30172153201² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30172153261) 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, 827841 + ... + 863518.

It is an arithmetic number, because the mean of its divisors is an integer number (7543465600).

Almost surely, 2^30172153201 is an apocalyptic number.

It is an amenable number.

30172153201 is a deficient number, since it is larger than the sum of its proper divisors (1709199).

30172153201 is a wasteful number, since it uses less digits than its factorization.

30172153201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709198.

The product of its (nonzero) digits is 1260, while the sum is 25.

The spelling of 30172153201 in words is "thirty billion, one hundred seventy-two million, one hundred fifty-three thousand, two hundred one".