30231601 has 4 divisors (see below), whose sum is σ = 31274100. Its totient is φ = 29189104.

The previous prime is 30231583. The next prime is 30231611. The reversal of 30231601 is 10613203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10613203 = 479 ⋅22157.

It can be written as a sum of positive squares in 2 ways, for example, as 13133376 + 17098225 = 3624^2 + 4135^2 .

It is a cyclic number.

It is not a de Polignac number, because 30231601 - 2⁵ = 30231569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30231611) 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, 521206 + ... + 521263.

It is an arithmetic number, because the mean of its divisors is an integer number (7818525).

Almost surely, 2^30231601 is an apocalyptic number.

It is an amenable number.

30231601 is a deficient number, since it is larger than the sum of its proper divisors (1042499).

30231601 is a wasteful number, since it uses less digits than its factorization.

30231601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042498.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 30231601 is about 5498.3271092215. The cubic root of 30231601 is about 311.5207996850.

Adding to 30231601 its reverse (10613203), we get a palindrome (40844804).

It can be divided in two parts, 3023 and 1601, that added together give a square (4624 = 68²).

The spelling of 30231601 in words is "thirty million, two hundred thirty-one thousand, six hundred one".