1310656042 has 8 divisors (see below), whose sum is σ = 1970792100. Its totient is φ = 653725344.

The previous prime is 1310656033. The next prime is 1310656051. The reversal of 1310656042 is 2406560131.

It is an interprime number because it is at equal distance from previous prime (1310656033) and next prime (1310656051).

It can be written as a sum of positive squares in 2 ways, for example, as 1310512401 + 143641 = 36201^2 + 379^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1310656042² = 3435638520862211528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1310656042.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800317 + ... + 801952.

Almost surely, 2^1310656042 is an apocalyptic number.

1310656042 is a deficient number, since it is larger than the sum of its proper divisors (660136058).

1310656042 is a wasteful number, since it uses less digits than its factorization.

1310656042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602680.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1310656042 is about 36202.9838825476. The cubic root of 1310656042 is about 1094.3668050234.

The spelling of 1310656042 in words is "one billion, three hundred ten million, six hundred fifty-six thousand, forty-two".