1351311229 has 2 divisors, whose sum is σ = 1351311230. Its totient is φ = 1351311228.

The previous prime is 1351311197. The next prime is 1351311253. The reversal of 1351311229 is 9221131531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 782488729 + 568822500 = 27973^2 + 23850^2 .

It is a cyclic number.

It is not a de Polignac number, because 1351311229 - 2⁵ = 1351311197 is a prime.

It is a super-3 number, since 3×1351311229³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1351311197 and 1351311206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1351321229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675655614 + 675655615.

It is an arithmetic number, because the mean of its divisors is an integer number (675655615).

Almost surely, 2^1351311229 is an apocalyptic number.

It is an amenable number.

1351311229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351311229 is an equidigital number, since it uses as much as digits as its factorization.

1351311229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 28.

The square root of 1351311229 is about 36760.1853776610. The cubic root of 1351311229 is about 1105.5671566901.

It can be divided in two parts, 13513 and 11229, that added together give a palindrome (24742).

The spelling of 1351311229 in words is "one billion, three hundred fifty-one million, three hundred eleven thousand, two hundred twenty-nine".