1311465106 has 72 divisors (see below), whose sum is σ = 2483018496. Its totient is φ = 516479040.

The previous prime is 1311465097. The next prime is 1311465109. The reversal of 1311465106 is 6015641131.

It is not an unprimeable number, because it can be changed into a prime (1311465109) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9572670 + ... + 9572806.

It is an arithmetic number, because the mean of its divisors is an integer number (34486368).

Almost surely, 2^1311465106 is an apocalyptic number.

1311465106 is a deficient number, since it is larger than the sum of its proper divisors (1171553390).

1311465106 is a wasteful number, since it uses less digits than its factorization.

1311465106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1311465106 is about 36214.1561547415. The cubic root of 1311465106 is about 1094.5919418076.

The spelling of 1311465106 in words is "one billion, three hundred eleven million, four hundred sixty-five thousand, one hundred six".