401312004311 has 16 divisors (see below), whose sum is σ = 405202738464. Its totient is φ = 397436573184.

The previous prime is 401312004283. The next prime is 401312004349. The reversal of 401312004311 is 113400213104.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401312004311 is a prime.

It is a super-2 number, since 2×401312004311² (a number of 24 digits) 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 (401312004011) 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, 130167776 + ... + 130170858.

It is an arithmetic number, because the mean of its divisors is an integer number (25325171154).

Almost surely, 2^401312004311 is an apocalyptic number.

401312004311 is a deficient number, since it is larger than the sum of its proper divisors (3890734153).

401312004311 is a wasteful number, since it uses less digits than its factorization.

401312004311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5170.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 401312004311 its reverse (113400213104), we get a palindrome (514712217415).

The spelling of 401312004311 in words is "four hundred one billion, three hundred twelve million, four thousand, three hundred eleven".