401211317 has 16 divisors (see below), whose sum is σ = 456503040. Its totient is φ = 349954752.

The previous prime is 401211311. The next prime is 401211329. The reversal of 401211317 is 713112104.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 401211317 - 2⁴ = 401211301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401211311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6398 + ... + 29040.

It is an arithmetic number, because the mean of its divisors is an integer number (28531440).

Almost surely, 2^401211317 is an apocalyptic number.

401211317 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

401211317 is a deficient number, since it is larger than the sum of its proper divisors (55291723).

401211317 is a wasteful number, since it uses less digits than its factorization.

401211317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22732.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 401211317 is about 20030.2600332597. The cubic root of 401211317 is about 737.5493052165.

The spelling of 401211317 in words is "four hundred one million, two hundred eleven thousand, three hundred seventeen".