1311940095 has 32 divisors (see below), whose sum is σ = 2119779840. Its totient is φ = 692841600.

The previous prime is 1311940067. The next prime is 1311940121. The reversal of 1311940095 is 5900491131.

It is not a de Polignac number, because 1311940095 - 2¹⁰ = 1311939071 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 898476 + ... + 899934.

It is an arithmetic number, because the mean of its divisors is an integer number (66243120).

Almost surely, 2^1311940095 is an apocalyptic number.

1311940095 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1311940095 is a deficient number, since it is larger than the sum of its proper divisors (807839745).

1311940095 is a wasteful number, since it uses less digits than its factorization.

1311940095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015.

The product of its (nonzero) digits is 4860, while the sum is 33.

The square root of 1311940095 is about 36220.7136180391. The cubic root of 1311940095 is about 1094.7240730080.

The spelling of 1311940095 in words is "one billion, three hundred eleven million, nine hundred forty thousand, ninety-five".