311402134043 has 32 divisors (see below), whose sum is σ = 418261186560. Its totient is φ = 223902610560.

The previous prime is 311402134007. The next prime is 311402134049. The reversal of 311402134043 is 340431204113.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 311402134043 - 2¹² = 311402129947 is a prime.

It is a super-3 number, since 3×311402134043³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (311402134049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2713553 + ... + 2825981.

It is an arithmetic number, because the mean of its divisors is an integer number (13070662080).

Almost surely, 2^311402134043 is an apocalyptic number.

311402134043 is a deficient number, since it is larger than the sum of its proper divisors (106859052517).

311402134043 is a wasteful number, since it uses less digits than its factorization.

311402134043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115227.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 311402134043 its reverse (340431204113), we get a palindrome (651833338156).

The spelling of 311402134043 in words is "three hundred eleven billion, four hundred two million, one hundred thirty-four thousand, forty-three".