31424011019 has 2 divisors, whose sum is σ = 31424011020. Its totient is φ = 31424011018.

The previous prime is 31424011007. The next prime is 31424011037. The reversal of 31424011019 is 91011042413.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (91011042413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31424011019 - 2³² = 27129043723 is a prime.

It is a super-2 number, since 2×31424011019² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31424011079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15712005509 + 15712005510.

It is an arithmetic number, because the mean of its divisors is an integer number (15712005510).

Almost surely, 2^31424011019 is an apocalyptic number.

31424011019 is a deficient number, since it is larger than the sum of its proper divisors (1).

31424011019 is an equidigital number, since it uses as much as digits as its factorization.

31424011019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 31424011019 in words is "thirty-one billion, four hundred twenty-four million, eleven thousand, nineteen".