311402134402 has 48 divisors (see below), whose sum is σ = 491613645600. Its totient is φ = 147890534400.

The previous prime is 311402134391. The next prime is 311402134423. The reversal of 311402134402 is 204431204113.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87201277 + ... + 87204847.

It is an arithmetic number, because the mean of its divisors is an integer number (10241950950).

Almost surely, 2^311402134402 is an apocalyptic number.

311402134402 is a deficient number, since it is larger than the sum of its proper divisors (180211511198).

311402134402 is a wasteful number, since it uses less digits than its factorization.

311402134402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4463 (or 4432 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 311402134402 its reverse (204431204113), we get a palindrome (515833338515).

The spelling of 311402134402 in words is "three hundred eleven billion, four hundred two million, one hundred thirty-four thousand, four hundred two".