201010230309 has 16 divisors (see below), whose sum is σ = 308639485440. Its totient is φ = 113986170480.

The previous prime is 201010230269. The next prime is 201010230319. The reversal of 201010230309 is 903032010102.

It is a happy number.

It is not a de Polignac number, because 201010230309 - 2¹¹ = 201010228261 is a prime.

It is a super-2 number, since 2×201010230309² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201010230319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36531279 + ... + 36536780.

It is an arithmetic number, because the mean of its divisors is an integer number (19289967840).

Almost surely, 2^201010230309 is an apocalyptic number.

It is an amenable number.

201010230309 is a deficient number, since it is larger than the sum of its proper divisors (107629255131).

201010230309 is a wasteful number, since it uses less digits than its factorization.

201010230309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73068200.

The product of its (nonzero) digits is 324, while the sum is 21.

The spelling of 201010230309 in words is "two hundred one billion, ten million, two hundred thirty thousand, three hundred nine".