151331401 has 16 divisors (see below), whose sum is σ = 166763520. Its totient is φ = 136471680.

The previous prime is 151331393. The next prime is 151331407. The reversal of 151331401 is 104133151.

It is a cyclic number.

It is not a de Polignac number, because 151331401 - 2³ = 151331393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151331407) 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, 145981 + ... + 147013.

It is an arithmetic number, because the mean of its divisors is an integer number (10422720).

Almost surely, 2^151331401 is an apocalyptic number.

It is an amenable number.

151331401 is a deficient number, since it is larger than the sum of its proper divisors (15432119).

151331401 is a wasteful number, since it uses less digits than its factorization.

151331401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 151331401 is about 12301.6828523580. The cubic root of 151331401 is about 532.8966837071.

Adding to 151331401 its reverse (104133151), we get a palindrome (255464552).

The spelling of 151331401 in words is "one hundred fifty-one million, three hundred thirty-one thousand, four hundred one".