201031130 has 8 divisors (see below), whose sum is σ = 361856052. Its totient is φ = 80412448.

The previous prime is 201031111. The next prime is 201031147. The reversal of 201031130 is 31130102.

201031130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 188760121 + 12271009 = 13739^2 + 3503^2 .

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

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, 10051547 + ... + 10051566.

Almost surely, 2^201031130 is an apocalyptic number.

201031130 is a deficient number, since it is larger than the sum of its proper divisors (160824922).

201031130 is a wasteful number, since it uses less digits than its factorization.

201031130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20103120.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 201031130 is about 14178.5447067039. The cubic root of 201031130 is about 585.8068395424.

Adding to 201031130 its reverse (31130102), we get a palindrome (232161232).

The spelling of 201031130 in words is "two hundred one million, thirty-one thousand, one hundred thirty".