311422130 has 8 divisors (see below), whose sum is σ = 560559852. Its totient is φ = 124568848.

The previous prime is 311422129. The next prime is 311422157. The reversal of 311422130 is 31224113.

It can be written as a sum of positive squares in 2 ways, for example, as 302307769 + 9114361 = 17387^2 + 3019^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 311422099 and 311422108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15571097 + ... + 15571116.

Almost surely, 2^311422130 is an apocalyptic number.

311422130 is a deficient number, since it is larger than the sum of its proper divisors (249137722).

311422130 is a wasteful number, since it uses less digits than its factorization.

311422130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31142220.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 311422130 is about 17647.1564281615. The cubic root of 311422130 is about 677.8232949117.

Adding to 311422130 its reverse (31224113), we get a palindrome (342646243).

The spelling of 311422130 in words is "three hundred eleven million, four hundred twenty-two thousand, one hundred thirty".