400003113331 has 4 divisors (see below), whose sum is σ = 400004541112. Its totient is φ = 400001685552.

The previous prime is 400003113277. The next prime is 400003113343. The reversal of 400003113331 is 133311300004.

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

It is a cyclic number.

It is not a de Polignac number, because 400003113331 - 2²¹ = 400001016179 is a prime.

It is a super-2 number, since 2×400003113331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 400003113299 and 400003113308.

It is not an unprimeable number, because it can be changed into a prime (400003111331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139725 + ... + 905278.

It is an arithmetic number, because the mean of its divisors is an integer number (100001135278).

Almost surely, 2^400003113331 is an apocalyptic number.

400003113331 is a deficient number, since it is larger than the sum of its proper divisors (1427781).

400003113331 is a wasteful number, since it uses less digits than its factorization.

400003113331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427780.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 400003113331 its reverse (133311300004), we get a palindrome (533314413335).

The spelling of 400003113331 in words is "four hundred billion, three million, one hundred thirteen thousand, three hundred thirty-one".