3136312481 has 4 divisors (see below), whose sum is σ = 3165086100. Its totient is φ = 3107538864.

The previous prime is 3136312477. The next prime is 3136312483. The reversal of 3136312481 is 1842136313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2214643600 + 921668881 = 47060^2 + 30359^2 .

It is a cyclic number.

It is not a de Polignac number, because 3136312481 - 2² = 3136312477 is a prime.

It is a super-2 number, since 2×3136312481² = 19672911956952750722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3136312483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14386646 + ... + 14386863.

It is an arithmetic number, because the mean of its divisors is an integer number (791271525).

Almost surely, 2^3136312481 is an apocalyptic number.

It is an amenable number.

3136312481 is a deficient number, since it is larger than the sum of its proper divisors (28773619).

3136312481 is a wasteful number, since it uses less digits than its factorization.

3136312481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28773618.

The product of its digits is 10368, while the sum is 32.

The square root of 3136312481 is about 56002.7899394307. The cubic root of 3136312481 is about 1463.7708990402.

Adding to 3136312481 its reverse (1842136313), we get a palindrome (4978448794).

It can be divided in two parts, 3136 and 312481, that multiplied together give a square (979940416 = 31304²).

The spelling of 3136312481 in words is "three billion, one hundred thirty-six million, three hundred twelve thousand, four hundred eighty-one".