400310130321 has 16 divisors (see below), whose sum is σ = 596829452800. Its totient is φ = 265173586704.

The previous prime is 400310130301. The next prime is 400310130349. The reversal of 400310130321 is 123031013004.

400310130321 is a `hidden beast` number, since 4 + 0 + 0 + 310 + 1 + 30 + 321 = 666.

It is not a de Polignac number, because 400310130321 - 2⁹ = 400310129809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 400310130294 and 400310130303.

It is not an unprimeable number, because it can be changed into a prime (400310130301) 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, 47213281 + ... + 47221758.

It is an arithmetic number, because the mean of its divisors is an integer number (37301840800).

Almost surely, 2^400310130321 is an apocalyptic number.

It is an amenable number.

400310130321 is a deficient number, since it is larger than the sum of its proper divisors (196519322479).

400310130321 is a wasteful number, since it uses less digits than its factorization.

400310130321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94435205 (or 94435199 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 400310130321 its reverse (123031013004), we get a palindrome (523341143325).

The spelling of 400310130321 in words is "four hundred billion, three hundred ten million, one hundred thirty thousand, three hundred twenty-one".