311020132434 has 32 divisors (see below), whose sum is σ = 681578793216. Its totient is φ = 93833328720.

The previous prime is 311020132427. The next prime is 311020132457. The reversal of 311020132434 is 434231020113.

It is a happy number.

It is a super-5 number, since 5×311020132434⁵ (a number of 59 digits) contains 55555 as substring.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10364812 + ... + 10394775.

It is an arithmetic number, because the mean of its divisors is an integer number (21299337288).

Almost surely, 2^311020132434 is an apocalyptic number.

311020132434 is an abundant number, since it is smaller than the sum of its proper divisors (370558660782).

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

311020132434 is a wasteful number, since it uses less digits than its factorization.

311020132434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20759830.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 311020132434 its reverse (434231020113), we get a palindrome (745251152547).

The spelling of 311020132434 in words is "three hundred eleven billion, twenty million, one hundred thirty-two thousand, four hundred thirty-four".