2311320002 has 16 divisors (see below), whose sum is σ = 3623607360. Its totient is φ = 1103614512.

The previous prime is 2311319957. The next prime is 2311320029. The reversal of 2311320002 is 2000231132.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12113 + ... + 69060.

It is an arithmetic number, because the mean of its divisors is an integer number (226475460).

Almost surely, 2^2311320002 is an apocalyptic number.

2311320002 is a deficient number, since it is larger than the sum of its proper divisors (1312287358).

2311320002 is a wasteful number, since it uses less digits than its factorization.

2311320002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81817.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2311320002 is about 48076.1895536658. The cubic root of 2311320002 is about 1322.1681543218.

Adding to 2311320002 its reverse (2000231132), we get a palindrome (4311551134).

The spelling of 2311320002 in words is "two billion, three hundred eleven million, three hundred twenty thousand, two".