400030313 has 8 divisors (see below), whose sum is σ = 422851200. Its totient is φ = 377386128.

The previous prime is 400030303. The next prime is 400030339. The reversal of 400030313 is 313030004.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 400030313 - 2⁶ = 400030249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (400030303) 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, 39506 + ... + 48587.

It is an arithmetic number, because the mean of its divisors is an integer number (52856400).

Almost surely, 2^400030313 is an apocalyptic number.

It is an amenable number.

400030313 is a deficient number, since it is larger than the sum of its proper divisors (22820887).

400030313 is a wasteful number, since it uses less digits than its factorization.

400030313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88351.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 400030313 is about 20000.7578106431. The cubic root of 400030313 is about 736.8249115991.

Adding to 400030313 its reverse (313030004), we get a palindrome (713060317).

The spelling of 400030313 in words is "four hundred million, thirty thousand, three hundred thirteen".