1313051145 has 64 divisors (see below), whose sum is σ = 2538792960. Its totient is φ = 566092800.

The previous prime is 1313051111. The next prime is 1313051161. The reversal of 1313051145 is 5411503131.

It is not a de Polignac number, because 1313051145 - 2⁶ = 1313051081 is a prime.

It is a super-2 number, since 2×1313051145² = 3448206618771622050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 479430 + ... + 482160.

It is an arithmetic number, because the mean of its divisors is an integer number (39668640).

Almost surely, 2^1313051145 is an apocalyptic number.

1313051145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1313051145 is a deficient number, since it is larger than the sum of its proper divisors (1225741815).

1313051145 is a wasteful number, since it uses less digits than its factorization.

1313051145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3006.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1313051145 is about 36236.0475907624. The cubic root of 1313051145 is about 1095.0330174986.

Adding to 1313051145 its reverse (5411503131), we get a palindrome (6724554276).

The spelling of 1313051145 in words is "one billion, three hundred thirteen million, fifty-one thousand, one hundred forty-five".