401031941 has 2 divisors, whose sum is σ = 401031942. Its totient is φ = 401031940.

The previous prime is 401031931. The next prime is 401031959. The reversal of 401031941 is 149130104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 224700100 + 176331841 = 14990^2 + 13279^2 .

It is a cyclic number.

It is not a de Polignac number, because 401031941 - 2¹⁸ = 400769797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401031901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200515970 + 200515971.

It is an arithmetic number, because the mean of its divisors is an integer number (200515971).

Almost surely, 2^401031941 is an apocalyptic number.

It is an amenable number.

401031941 is a deficient number, since it is larger than the sum of its proper divisors (1).

401031941 is an equidigital number, since it uses as much as digits as its factorization.

401031941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 401031941 is about 20025.7819073314. The cubic root of 401031941 is about 737.4393728195.

The spelling of 401031941 in words is "four hundred one million, thirty-one thousand, nine hundred forty-one".