401312103 has 8 divisors (see below), whose sum is σ = 537215616. Its totient is φ = 266475000.

The previous prime is 401312089. The next prime is 401312113. The reversal of 401312103 is 301213104.

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

It is not a de Polignac number, because 401312103 - 2⁸ = 401311847 is a prime.

It is a super-2 number, since 2×401312103² = 322102808028565218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401312113) 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, 265723 + ... + 267228.

It is an arithmetic number, because the mean of its divisors is an integer number (67151952).

Almost surely, 2^401312103 is an apocalyptic number.

401312103 is a deficient number, since it is larger than the sum of its proper divisors (135903513).

401312103 is a wasteful number, since it uses less digits than its factorization.

401312103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533205.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 401312103 is about 20032.7757188064. The cubic root of 401312103 is about 737.6110585600.

Adding to 401312103 its reverse (301213104), we get a palindrome (702525207).

The spelling of 401312103 in words is "four hundred one million, three hundred twelve thousand, one hundred three".