401331151 has 8 divisors (see below), whose sum is σ = 438124400. Its totient is φ = 365383872.

The previous prime is 401331149. The next prime is 401331181. The reversal of 401331151 is 151133104.

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

It is a cyclic number.

It is not a de Polignac number, because 401331151 - 2¹ = 401331149 is a prime.

It is a super-2 number, since 2×401331151² = 322133385525969602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401331181) 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, 210501 + ... + 212398.

It is an arithmetic number, because the mean of its divisors is an integer number (54765550).

Almost surely, 2^401331151 is an apocalyptic number.

401331151 is a deficient number, since it is larger than the sum of its proper divisors (36793249).

401331151 is a wasteful number, since it uses less digits than its factorization.

401331151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422985.

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

The square root of 401331151 is about 20033.2511340521. The cubic root of 401331151 is about 737.6227284407.

Adding to 401331151 its reverse (151133104), we get a palindrome (552464255).

It can be divided in two parts, 40 and 1331151, that multiplied together give a triangular number (53246040 = T₁₀₃₁₉).

The spelling of 401331151 in words is "four hundred one million, three hundred thirty-one thousand, one hundred fifty-one".