201312190 has 32 divisors (see below), whose sum is σ = 375909984. Its totient is φ = 77558400.

The previous prime is 201312187. The next prime is 201312191. The reversal of 201312190 is 91213102.

It is a super-2 number, since 2×201312190² = 81053195685192200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201312191) 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, 34677 + ... + 40063.

It is an arithmetic number, because the mean of its divisors is an integer number (11747187).

Almost surely, 2^201312190 is an apocalyptic number.

201312190 is a deficient number, since it is larger than the sum of its proper divisors (174597794).

201312190 is a wasteful number, since it uses less digits than its factorization.

201312190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5532.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 201312190 is about 14188.4526992904. The cubic root of 201312190 is about 586.0797163507.

Adding to 201312190 its reverse (91213102), we get a palindrome (292525292).

The spelling of 201312190 in words is "two hundred one million, three hundred twelve thousand, one hundred ninety".