401413013321 has 4 divisors (see below), whose sum is σ = 401418535572. Its totient is φ = 401407491072.

The previous prime is 401413013303. The next prime is 401413013327. The reversal of 401413013321 is 123310314104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 381261791296 + 20151222025 = 617464^2 + 141955^2 .

It is a cyclic number.

It is not a de Polignac number, because 401413013321 - 2³⁴ = 384233144137 is a prime.

It is a super-2 number, since 2×401413013321² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401413013327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2650616 + ... + 2797961.

It is an arithmetic number, because the mean of its divisors is an integer number (100354633893).

Almost surely, 2^401413013321 is an apocalyptic number.

It is an amenable number.

401413013321 is a deficient number, since it is larger than the sum of its proper divisors (5522251).

401413013321 is an equidigital number, since it uses as much as digits as its factorization.

401413013321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5522250.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 401413013321 its reverse (123310314104), we get a palindrome (524723327425).

The spelling of 401413013321 in words is "four hundred one billion, four hundred thirteen million, thirteen thousand, three hundred twenty-one".