401331010 has 8 divisors (see below), whose sum is σ = 722395836. Its totient is φ = 160532400.

The previous prime is 401330987. The next prime is 401331011. The reversal of 401331010 is 10133104.

It can be written as a sum of positive squares in 2 ways, for example, as 393585921 + 7745089 = 19839^2 + 2783^2 .

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

It is a super-2 number, since 2×401331010² = 322133159175240200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401331011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20066541 + ... + 20066560.

Almost surely, 2^401331010 is an apocalyptic number.

401331010 is a deficient number, since it is larger than the sum of its proper divisors (321064826).

401331010 is a wasteful number, since it uses less digits than its factorization.

401331010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40133108.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 401331010 is about 20033.2476149026. The cubic root of 401331010 is about 737.6226420575.

Adding to 401331010 its reverse (10133104), we get a palindrome (411464114).

The spelling of 401331010 in words is "four hundred one million, three hundred thirty-one thousand, ten".