201311032 has 16 divisors (see below), whose sum is σ = 406493640. Its totient is φ = 92912736.

The previous prime is 201311029. The next prime is 201311053. The reversal of 201311032 is 230113102.

It is a super-2 number, since 2×201311032² = 81052263209810048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 967738 + ... + 967945.

Almost surely, 2^201311032 is an apocalyptic number.

It is an amenable number.

201311032 is an abundant number, since it is smaller than the sum of its proper divisors (205182608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201311032 is a wasteful number, since it uses less digits than its factorization.

201311032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935702 (or 1935698 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 201311032 is about 14188.4118913993. The cubic root of 201311032 is about 586.0785925877.

Adding to 201311032 its reverse (230113102), we get a palindrome (431424134).

The spelling of 201311032 in words is "two hundred one million, three hundred eleven thousand, thirty-two".