401431103 has 16 divisors (see below), whose sum is σ = 417432960. Its totient is φ = 385831776.

The previous prime is 401431099. The next prime is 401431111. The reversal of 401431103 is 301134104.

It is a cyclic number.

It is not a de Polignac number, because 401431103 - 2² = 401431099 is a prime.

It is a super-2 number, since 2×401431103² = 322293860911593218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401431603) 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, 683576 + ... + 684162.

It is an arithmetic number, because the mean of its divisors is an integer number (26089560).

Almost surely, 2^401431103 is an apocalyptic number.

401431103 is a deficient number, since it is larger than the sum of its proper divisors (16001857).

401431103 is a wasteful number, since it uses less digits than its factorization.

401431103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 401431103 is about 20035.7456312462. The cubic root of 401431103 is about 737.6839586302.

Adding to 401431103 its reverse (301134104), we get a palindrome (702565207).

The spelling of 401431103 in words is "four hundred one million, four hundred thirty-one thousand, one hundred three".