311213100004 has 12 divisors (see below), whose sum is σ = 568302182784. Its totient is φ = 148841047784.

The previous prime is 311213099983. The next prime is 311213100007. The reversal of 311213100004 is 400001312113.

It is a super-2 number, since 2×311213100004² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (311213100007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1691375452 + ... + 1691375635.

It is an arithmetic number, because the mean of its divisors is an integer number (47358515232).

Almost surely, 2^311213100004 is an apocalyptic number.

It is an amenable number.

311213100004 is a deficient number, since it is larger than the sum of its proper divisors (257089082780).

311213100004 is a wasteful number, since it uses less digits than its factorization.

311213100004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3382751114 (or 3382751112 counting only the distinct ones).

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

Adding to 311213100004 its reverse (400001312113), we get a palindrome (711214412117).

The spelling of 311213100004 in words is "three hundred eleven billion, two hundred thirteen million, one hundred thousand, four".