400324233222131 has 8 divisors (see below), whose sum is σ = 404020633489440. Its totient is φ = 396628263880128.

The previous prime is 400324233222041. The next prime is 400324233222187. The reversal of 400324233222131 is 131222332423004.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400324233222131 is a prime.

It is a super-2 number, since 2×400324233222131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400324233222031) 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, 105864626 + ... + 109580871.

It is an arithmetic number, because the mean of its divisors is an integer number (50502579186180).

Almost surely, 2^{400324233222131} is an apocalyptic number.

400324233222131 is a deficient number, since it is larger than the sum of its proper divisors (3696400267309).

400324233222131 is a wasteful number, since it uses less digits than its factorization.

400324233222131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215462653.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 400324233222131 its reverse (131222332423004), we get a palindrome (531546565645135).

The spelling of 400324233222131 in words is "four hundred trillion, three hundred twenty-four billion, two hundred thirty-three million, two hundred twenty-two thousand, one hundred thirty-one".