1455131313 has 6 divisors (see below), whose sum is σ = 2101856354. Its totient is φ = 970087536.

The previous prime is 1455131291. The next prime is 1455131333. The reversal of 1455131313 is 3131315541.

It is a happy number.

1455131313 is a `hidden beast` number, since 14 + 5 + 513 + 131 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1006665984 + 448465329 = 31728^2 + 21177^2 .

It is not a de Polignac number, because 1455131313 - 2²¹ = 1453034161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1455131333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80840620 + ... + 80840637.

Almost surely, 2^1455131313 is an apocalyptic number.

It is an amenable number.

1455131313 is a deficient number, since it is larger than the sum of its proper divisors (646725041).

1455131313 is a wasteful number, since it uses less digits than its factorization.

1455131313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161681263 (or 161681260 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 1455131313 is about 38146.1834657152. The cubic root of 1455131313 is about 1133.1847695593.

Adding to 1455131313 its reverse (3131315541), we get a palindrome (4586446854).

The spelling of 1455131313 in words is "one billion, four hundred fifty-five million, one hundred thirty-one thousand, three hundred thirteen".