311112423431430 has 32 divisors (see below), whose sum is σ = 756121332902400. Its totient is φ = 81913144396512.

The previous prime is 311112423431387. The next prime is 311112423431473. The reversal of 311112423431430 is 34134324211113.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (311112423431387) and next prime (311112423431473).

It is a junction number, because it is equal to n+sod(n) for n = 311112423431391 and 311112423431400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65635530000 + ... + 65635534739.

It is an arithmetic number, because the mean of its divisors is an integer number (23628791653200).

Almost surely, 2^{311112423431430} is an apocalyptic number.

311112423431430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

311112423431430 is an abundant number, since it is smaller than the sum of its proper divisors (445008909470970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311112423431430 is a wasteful number, since it uses less digits than its factorization.

311112423431430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131271064828.

The product of its (nonzero) digits is 20736, while the sum is 33.

Adding to 311112423431430 its reverse (34134324211113), we get a palindrome (345246747642543).

The spelling of 311112423431430 in words is "three hundred eleven trillion, one hundred twelve billion, four hundred twenty-three million, four hundred thirty-one thousand, four hundred thirty".