1316211507 has 24 divisors (see below), whose sum is σ = 2059306704. Its totient is φ = 805281984.

The previous prime is 1316211493. The next prime is 1316211511. The reversal of 1316211507 is 7051126131.

1316211507 is a `hidden beast` number, since 1 + 31 + 621 + 1 + 5 + 0 + 7 = 666.

It is not a de Polignac number, because 1316211507 - 2⁶ = 1316211443 is a prime.

It is a super-2 number, since 2×1316211507² = 3464825462318422098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1316211577) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12273 + ... + 52754.

It is an arithmetic number, because the mean of its divisors is an integer number (85804446).

Almost surely, 2^1316211507 is an apocalyptic number.

1316211507 is a deficient number, since it is larger than the sum of its proper divisors (743095197).

1316211507 is a wasteful number, since it uses less digits than its factorization.

1316211507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65219 (or 65216 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 1316211507 is about 36279.6293669051. The cubic root of 1316211507 is about 1095.9108527998.

Adding to 1316211507 its reverse (7051126131), we get a palindrome (8367337638).

The spelling of 1316211507 in words is "one billion, three hundred sixteen million, two hundred eleven thousand, five hundred seven".