31121414267 has 2 divisors, whose sum is σ = 31121414268. Its totient is φ = 31121414266.

The previous prime is 31121414263. The next prime is 31121414281. The reversal of 31121414267 is 76241412113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31121414267 - 2² = 31121414263 is a prime.

It is a super-2 number, since 2×31121414267² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31121414263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15560707133 + 15560707134.

It is an arithmetic number, because the mean of its divisors is an integer number (15560707134).

Almost surely, 2^31121414267 is an apocalyptic number.

31121414267 is a deficient number, since it is larger than the sum of its proper divisors (1).

31121414267 is an equidigital number, since it uses as much as digits as its factorization.

31121414267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 32.

The spelling of 31121414267 in words is "thirty-one billion, one hundred twenty-one million, four hundred fourteen thousand, two hundred sixty-seven".