3111401320 has 16 divisors (see below), whose sum is σ = 7000653060. Its totient is φ = 1244560512.

The previous prime is 3111401309. The next prime is 3111401347. The reversal of 3111401320 is 231041113.

It can be written as a sum of positive squares in 2 ways, for example, as 3087135844 + 24265476 = 55562^2 + 4926^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3111401294 and 3111401303.

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 3 ways as a sum of consecutive naturals, for example, 38892477 + ... + 38892556.

Almost surely, 2^3111401320 is an apocalyptic number.

It is an amenable number.

3111401320 is an abundant number, since it is smaller than the sum of its proper divisors (3889251740).

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

3111401320 is a wasteful number, since it uses less digits than its factorization.

3111401320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77785044 (or 77785040 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 3111401320 is about 55779.9365363569. The cubic root of 3111401320 is about 1459.8851038626.

Adding to 3111401320 its reverse (231041113), we get a palindrome (3342442433).

The spelling of 3111401320 in words is "three billion, one hundred eleven million, four hundred one thousand, three hundred twenty".