201103131 has 8 divisors (see below), whose sum is σ = 274373440. Its totient is φ = 130950792.

The previous prime is 201103121. The next prime is 201103151. The reversal of 201103131 is 131301102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201103131 - 2⁷ = 201103003 is a prime.

It is a super-2 number, since 2×201103131² = 80884938596006322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201103121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 779341 + ... + 779598.

It is an arithmetic number, because the mean of its divisors is an integer number (34296680).

Almost surely, 2^201103131 is an apocalyptic number.

201103131 is a deficient number, since it is larger than the sum of its proper divisors (73270309).

201103131 is a wasteful number, since it uses less digits than its factorization.

201103131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558985.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 201103131 is about 14181.0835622670. The cubic root of 201103131 is about 585.8767684198.

Adding to 201103131 its reverse (131301102), we get a palindrome (332404233).

The spelling of 201103131 in words is "two hundred one million, one hundred three thousand, one hundred thirty-one".