31612223119 has 2 divisors, whose sum is σ = 31612223120. Its totient is φ = 31612223118.

The previous prime is 31612223107. The next prime is 31612223179. The reversal of 31612223119 is 91132221613.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31612223119 - 2⁵ = 31612223087 is a prime.

It is a super-2 number, since 2×31612223119² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31612223179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15806111559 + 15806111560.

It is an arithmetic number, because the mean of its divisors is an integer number (15806111560).

Almost surely, 2^31612223119 is an apocalyptic number.

31612223119 is a deficient number, since it is larger than the sum of its proper divisors (1).

31612223119 is an equidigital number, since it uses as much as digits as its factorization.

31612223119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 31.

The spelling of 31612223119 in words is "thirty-one billion, six hundred twelve million, two hundred twenty-three thousand, one hundred nineteen".