401131313 has 8 divisors (see below), whose sum is σ = 438552576. Its totient is φ = 363869200.

The previous prime is 401131309. The next prime is 401131333. The reversal of 401131313 is 313131104.

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 401131313 - 2² = 401131309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 401131291 and 401131300.

It is not an unprimeable number, because it can be changed into a prime (401131333) 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, 34481 + ... + 44622.

It is an arithmetic number, because the mean of its divisors is an integer number (54819072).

Almost surely, 2^401131313 is an apocalyptic number.

It is an amenable number.

401131313 is a deficient number, since it is larger than the sum of its proper divisors (37421263).

401131313 is a wasteful number, since it uses less digits than its factorization.

401131313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79575.

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

The square root of 401131313 is about 20028.2628552753. The cubic root of 401131313 is about 737.5002780043.

Adding to 401131313 its reverse (313131104), we get a palindrome (714262417).

The spelling of 401131313 in words is "four hundred one million, one hundred thirty-one thousand, three hundred thirteen".