201430319 has 4 divisors (see below), whose sum is σ = 202485120. Its totient is φ = 200375520.

The previous prime is 201430309. The next prime is 201430349. The reversal of 201430319 is 913034102.

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

It is a cyclic number.

It is not a de Polignac number, because 201430319 - 2⁴ = 201430303 is a prime.

It is a super-2 number, since 2×201430319² = 81148346824883522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201430294 and 201430303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201430309) 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, 527114 + ... + 527495.

It is an arithmetic number, because the mean of its divisors is an integer number (50621280).

Almost surely, 2^201430319 is an apocalyptic number.

201430319 is a deficient number, since it is larger than the sum of its proper divisors (1054801).

201430319 is a wasteful number, since it uses less digits than its factorization.

201430319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054800.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 201430319 is about 14192.6149458090. The cubic root of 201430319 is about 586.1943301642.

The spelling of 201430319 in words is "two hundred one million, four hundred thirty thousand, three hundred nineteen".