247031 has 2 divisors, whose sum is σ = 247032. Its totient is φ = 247030.

The previous prime is 247007. The next prime is 247067. The reversal of 247031 is 130742.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 247031 - 2¹⁴ = 230647 is a prime.

It is a super-2 number, since 2×247031² = 122048629922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (247001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123515 + 123516.

It is an arithmetic number, because the mean of its divisors is an integer number (123516).

2²⁴⁷⁰³¹ is an apocalyptic number.

247031 is a deficient number, since it is larger than the sum of its proper divisors (1).

247031 is an equidigital number, since it uses as much as digits as its factorization.

247031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 247031 is about 497.0221323040. The cubic root of 247031 is about 62.7456783424.

Adding to 247031 its reverse (130742), we get a palindrome (377773).

The spelling of 247031 in words is "two hundred forty-seven thousand, thirty-one".