151031201 has 4 divisors (see below), whose sum is σ = 151063572. Its totient is φ = 150998832.

The previous prime is 151031197. The next prime is 151031207. The reversal of 151031201 is 102130151.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 73942801 + 77088400 = 8599^2 + 8780^2 .

It is a cyclic number.

It is not a de Polignac number, because 151031201 - 2² = 151031197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151031207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7706 + ... + 19011.

It is an arithmetic number, because the mean of its divisors is an integer number (37765893).

Almost surely, 2^151031201 is an apocalyptic number.

It is an amenable number.

151031201 is a deficient number, since it is larger than the sum of its proper divisors (32371).

151031201 is an equidigital number, since it uses as much as digits as its factorization.

151031201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32370.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 151031201 is about 12289.4752125548. The cubic root of 151031201 is about 532.5440768176.

Adding to 151031201 its reverse (102130151), we get a palindrome (253161352).

The spelling of 151031201 in words is "one hundred fifty-one million, thirty-one thousand, two hundred one".