313321322412143 has 16 divisors (see below), whose sum is σ = 313871288989440. Its totient is φ = 312771957313536.

The previous prime is 313321322412139. The next prime is 313321322412167. The reversal of 313321322412143 is 341214223123313.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 313321322412143 - 2² = 313321322412139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313321322412103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6436718321 + ... + 6436766997.

It is an arithmetic number, because the mean of its divisors is an integer number (19616955561840).

Almost surely, 2^{313321322412143} is an apocalyptic number.

313321322412143 is a deficient number, since it is larger than the sum of its proper divisors (549966577297).

313321322412143 is a wasteful number, since it uses less digits than its factorization.

313321322412143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54626.

The product of its digits is 62208, while the sum is 35.

Adding to 313321322412143 its reverse (341214223123313), we get a palindrome (654535545535456).

The spelling of 313321322412143 in words is "three hundred thirteen trillion, three hundred twenty-one billion, three hundred twenty-two million, four hundred twelve thousand, one hundred forty-three".