31426474267 has 2 divisors, whose sum is σ = 31426474268. Its totient is φ = 31426474266.

The previous prime is 31426474243. The next prime is 31426474271. The reversal of 31426474267 is 76247462413.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (76247462413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31426474267 - 2¹¹ = 31426472219 is a prime.

It is not a weakly prime, because it can be changed into another prime (31426474237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15713237133 + 15713237134.

It is an arithmetic number, because the mean of its divisors is an integer number (15713237134).

Almost surely, 2^31426474267 is an apocalyptic number.

31426474267 is a deficient number, since it is larger than the sum of its proper divisors (1).

31426474267 is an equidigital number, since it uses as much as digits as its factorization.

31426474267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1354752, while the sum is 46.

The spelling of 31426474267 in words is "thirty-one billion, four hundred twenty-six million, four hundred seventy-four thousand, two hundred sixty-seven".