311042001 has 8 divisors (see below), whose sum is σ = 422547840. Its totient is φ = 203448752.

The previous prime is 311041993. The next prime is 311042021. The reversal of 311042001 is 100240113.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 311042001 - 2³ = 311041993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (311042021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 977961 + ... + 978278.

It is an arithmetic number, because the mean of its divisors is an integer number (52818480).

Almost surely, 2^311042001 is an apocalyptic number.

It is an amenable number.

311042001 is a deficient number, since it is larger than the sum of its proper divisors (111505839).

311042001 is a wasteful number, since it uses less digits than its factorization.

311042001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956295.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 311042001 is about 17636.3828774497. The cubic root of 311042001 is about 677.5473937334.

Adding to 311042001 its reverse (100240113), we get a palindrome (411282114).

The spelling of 311042001 in words is "three hundred eleven million, forty-two thousand, one".