401133131 has 4 divisors (see below), whose sum is σ = 458437872. Its totient is φ = 343828392.

The previous prime is 401133119. The next prime is 401133137. The reversal of 401133131 is 131331104.

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

It is a cyclic number.

It is not a de Polignac number, because 401133131 - 2⁶ = 401133067 is a prime.

It is a super-2 number, since 2×401133131² = 321815577571726322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401133137) 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, 28652360 + ... + 28652373.

It is an arithmetic number, because the mean of its divisors is an integer number (114609468).

Almost surely, 2^401133131 is an apocalyptic number.

401133131 is a deficient number, since it is larger than the sum of its proper divisors (57304741).

401133131 is an equidigital number, since it uses as much as digits as its factorization.

401133131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57304740.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 401133131 is about 20028.3082410872. The cubic root of 401133131 is about 737.5013921644.

Adding to 401133131 its reverse (131331104), we get a palindrome (532464235).

The spelling of 401133131 in words is "four hundred one million, one hundred thirty-three thousand, one hundred thirty-one".