311130001434 has 48 divisors (see below), whose sum is σ = 726324163488. Its totient is φ = 88590868128.

The previous prime is 311130001423. The next prime is 311130001439. The reversal of 311130001434 is 434100031113.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 311130001434.

It is not an unprimeable number, because it can be changed into a prime (311130001439) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1719772 + ... + 1892055.

It is an arithmetic number, because the mean of its divisors is an integer number (15131753406).

Almost surely, 2^311130001434 is an apocalyptic number.

311130001434 is an abundant number, since it is smaller than the sum of its proper divisors (415194162054).

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

311130001434 is a wasteful number, since it uses less digits than its factorization.

311130001434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3612139 (or 3612132 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 311130001434 its reverse (434100031113), we get a palindrome (745230032547).

The spelling of 311130001434 in words is "three hundred eleven billion, one hundred thirty million, one thousand, four hundred thirty-four".