3155403313 has 2 divisors, whose sum is σ = 3155403314. Its totient is φ = 3155403312.

The previous prime is 3155403301. The next prime is 3155403331. The reversal of 3155403313 is 3133045513.

Together with next prime (3155403331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3114532864 + 40870449 = 55808^2 + 6393^2 .

It is a cyclic number.

It is not a de Polignac number, because 3155403313 - 2⁹ = 3155402801 is a prime.

It is a super-3 number, since 3×3155403313³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (3155401313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1577701656 + 1577701657.

It is an arithmetic number, because the mean of its divisors is an integer number (1577701657).

Almost surely, 2^3155403313 is an apocalyptic number.

It is an amenable number.

3155403313 is a deficient number, since it is larger than the sum of its proper divisors (1).

3155403313 is an equidigital number, since it uses as much as digits as its factorization.

3155403313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 3155403313 is about 56172.9767147870. The cubic root of 3155403313 is about 1466.7348995517.

Adding to 3155403313 its reverse (3133045513), we get a palindrome (6288448826).

The spelling of 3155403313 in words is "three billion, one hundred fifty-five million, four hundred three thousand, three hundred thirteen".