311212400104 has 16 divisors (see below), whose sum is σ = 597755525220. Its totient is φ = 151810926720.

The previous prime is 311212400101. The next prime is 311212400119. The reversal of 311212400104 is 401004212113.

It can be written as a sum of positive squares in 2 ways, for example, as 310139837604 + 1072562500 = 556902^2 + 32750^2 .

It is not an unprimeable number, because it can be changed into a prime (311212400101) 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, 474408819 + ... + 474409474.

Almost surely, 2^311212400104 is an apocalyptic number.

It is an amenable number.

311212400104 is a deficient number, since it is larger than the sum of its proper divisors (286543125116).

311212400104 is a wasteful number, since it uses less digits than its factorization.

311212400104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948818340 (or 948818336 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 311212400104 its reverse (401004212113), we get a palindrome (712216612217).

The spelling of 311212400104 in words is "three hundred eleven billion, two hundred twelve million, four hundred thousand, one hundred four".