10000400311 has 4 divisors (see below), whose sum is σ = 10909527624. Its totient is φ = 9091273000.

The previous prime is 10000400279. The next prime is 10000400353. The reversal of 10000400311 is 11300400001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11300400001 = 11 ⋅1027309091.

It is a cyclic number.

It is not a de Polignac number, because 10000400311 - 2⁵ = 10000400279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000400381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454563640 + ... + 454563661.

It is an arithmetic number, because the mean of its divisors is an integer number (2727381906).

Almost surely, 2^10000400311 is an apocalyptic number.

10000400311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10000400311 is a deficient number, since it is larger than the sum of its proper divisors (909127313).

10000400311 is an equidigital number, since it uses as much as digits as its factorization.

10000400311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909127312.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 10000400311 its reverse (11300400001), we get a palindrome (21300800312).

The spelling of 10000400311 in words is "ten billion, four hundred thousand, three hundred eleven".