3551331511313 has 2 divisors, whose sum is σ = 3551331511314. Its totient is φ = 3551331511312.

The previous prime is 3551331511307. The next prime is 3551331511327. The reversal of 3551331511313 is 3131151331553.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3125017843984 + 426313667329 = 1767772^2 + 652927^2 .

It is a cyclic number.

It is not a de Polignac number, because 3551331511313 - 2⁴ = 3551331511297 is a prime.

It is a super-2 number, since 2×3551331511313² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3551331511363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1775665755656 + 1775665755657.

It is an arithmetic number, because the mean of its divisors is an integer number (1775665755657).

Almost surely, 2^{3551331511313} is an apocalyptic number.

It is an amenable number.

3551331511313 is a deficient number, since it is larger than the sum of its proper divisors (1).

3551331511313 is an equidigital number, since it uses as much as digits as its factorization.

3551331511313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30375, while the sum is 35.

Adding to 3551331511313 its reverse (3131151331553), we get a palindrome (6682482842866).

The spelling of 3551331511313 in words is "three trillion, five hundred fifty-one billion, three hundred thirty-one million, five hundred eleven thousand, three hundred thirteen".