401311033 has 4 divisors (see below), whose sum is σ = 404374608. Its totient is φ = 398247460.

The previous prime is 401311007. The next prime is 401311037. The reversal of 401311033 is 330113104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401311033 is a prime.

It is a super-2 number, since 2×401311033² = 322101090415054178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401310998 and 401311016.

It is not an unprimeable number, because it can be changed into a prime (401311037) 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, 1531591 + ... + 1531852.

It is an arithmetic number, because the mean of its divisors is an integer number (101093652).

Almost surely, 2^401311033 is an apocalyptic number.

It is an amenable number.

401311033 is a deficient number, since it is larger than the sum of its proper divisors (3063575).

401311033 is a wasteful number, since it uses less digits than its factorization.

401311033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3063574.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 401311033 is about 20032.7490125544. The cubic root of 401311033 is about 737.6104030066.

Adding to 401311033 its reverse (330113104), we get a palindrome (731424137).

The spelling of 401311033 in words is "four hundred one million, three hundred eleven thousand, thirty-three".