31373036119 has 2 divisors, whose sum is σ = 31373036120. Its totient is φ = 31373036118.

The previous prime is 31373036117. The next prime is 31373036153. The reversal of 31373036119 is 91163037313.

It is a weak prime.

It is an emirp because it is prime and its reverse (91163037313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31373036119 - 2¹ = 31373036117 is a prime.

It is a super-2 number, since 2×31373036119² (a number of 22 digits) contains 22 as substring.

Together with 31373036117, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31373036117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15686518059 + 15686518060.

It is an arithmetic number, because the mean of its divisors is an integer number (15686518060).

Almost surely, 2^31373036119 is an apocalyptic number.

31373036119 is a deficient number, since it is larger than the sum of its proper divisors (1).

31373036119 is an equidigital number, since it uses as much as digits as its factorization.

31373036119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30618, while the sum is 37.

The spelling of 31373036119 in words is "thirty-one billion, three hundred seventy-three million, thirty-six thousand, one hundred nineteen".