31141469 has 2 divisors, whose sum is σ = 31141470. Its totient is φ = 31141468.

The previous prime is 31141459. The next prime is 31141489. The reversal of 31141469 is 96414113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26988025 + 4153444 = 5195^2 + 2038^2 .

It is a cyclic number.

It is not a de Polignac number, because 31141469 - 2¹² = 31137373 is a prime.

It is a super-4 number, since 4×31141469⁴ (a number of 31 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31141459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15570734 + 15570735.

It is an arithmetic number, because the mean of its divisors is an integer number (15570735).

Almost surely, 2^31141469 is an apocalyptic number.

It is an amenable number.

31141469 is a deficient number, since it is larger than the sum of its proper divisors (1).

31141469 is an equidigital number, since it uses as much as digits as its factorization.

31141469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 29.

The square root of 31141469 is about 5580.4541929847. The cubic root of 31141469 is about 314.6151982147.

The spelling of 31141469 in words is "thirty-one million, one hundred forty-one thousand, four hundred sixty-nine".