401010331 has 6 divisors (see below), whose sum is σ = 425987060. Its totient is φ = 377421216.

The previous prime is 401010307. The next prime is 401010383. The reversal of 401010331 is 133010104.

It is a de Polignac number, because none of the positive numbers 2^k-401010331 is a prime.

It is a super-2 number, since 2×401010331² = 321618571137459122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401010391) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 693501 + ... + 694078.

Almost surely, 2^401010331 is an apocalyptic number.

401010331 is a deficient number, since it is larger than the sum of its proper divisors (24976729).

401010331 is a wasteful number, since it uses less digits than its factorization.

401010331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387613 (or 1387596 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 401010331 is about 20025.2423455997. The cubic root of 401010331 is about 737.4261267000.

Adding to 401010331 its reverse (133010104), we get a palindrome (534020435).

It can be divided in two parts, 4010 and 10331, that added together give a palindrome (14341).

The spelling of 401010331 in words is "four hundred one million, ten thousand, three hundred thirty-one".