52311731 has 8 divisors (see below), whose sum is σ = 55204800. Its totient is φ = 49432680.

The previous prime is 52311719. The next prime is 52311733. The reversal of 52311731 is 13711325.

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

It is not a de Polignac number, because 52311731 - 2¹⁰ = 52310707 is a prime.

It is a super-2 number, since 2×52311731² = 5473034400432722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52311697 and 52311706.

It is not an unprimeable number, because it can be changed into a prime (52311733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4676 + ... + 11246.

It is an arithmetic number, because the mean of its divisors is an integer number (6900600).

Almost surely, 2^52311731 is an apocalyptic number.

52311731 is a deficient number, since it is larger than the sum of its proper divisors (2893069).

52311731 is a wasteful number, since it uses less digits than its factorization.

52311731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7009.

The product of its digits is 630, while the sum is 23.

The square root of 52311731 is about 7232.6849094925. The cubic root of 52311731 is about 373.9954888071.

The spelling of 52311731 in words is "fifty-two million, three hundred eleven thousand, seven hundred thirty-one".