5705309131 has 4 divisors (see below), whose sum is σ = 5707176064. Its totient is φ = 5703442200.

The previous prime is 5705309117. The next prime is 5705309147. The reversal of 5705309131 is 1319035075.

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

It is a cyclic number.

It is not a de Polignac number, because 5705309131 - 2²¹ = 5703211979 is a prime.

It is a super-2 number, since 2×5705309131² = 65101104560543950322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5705301131) 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, 928875 + ... + 934996.

It is an arithmetic number, because the mean of its divisors is an integer number (1426794016).

Almost surely, 2^5705309131 is an apocalyptic number.

5705309131 is a deficient number, since it is larger than the sum of its proper divisors (1866933).

5705309131 is a wasteful number, since it uses less digits than its factorization.

5705309131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866932.

The product of its (nonzero) digits is 14175, while the sum is 34.

The square root of 5705309131 is about 75533.4967481316. The cubic root of 5705309131 is about 1786.8704229493.

The spelling of 5705309131 in words is "five billion, seven hundred five million, three hundred nine thousand, one hundred thirty-one".