31322021119 has 2 divisors, whose sum is σ = 31322021120. Its totient is φ = 31322021118.

The previous prime is 31322021077. The next prime is 31322021141. The reversal of 31322021119 is 91112022313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31322021119 - 2¹⁹ = 31321496831 is a prime.

It is a super-2 number, since 2×31322021119² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31322021093 and 31322021102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31322021719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15661010559 + 15661010560.

It is an arithmetic number, because the mean of its divisors is an integer number (15661010560).

Almost surely, 2^31322021119 is an apocalyptic number.

31322021119 is a deficient number, since it is larger than the sum of its proper divisors (1).

31322021119 is an equidigital number, since it uses as much as digits as its factorization.

31322021119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 31322021119 in words is "thirty-one billion, three hundred twenty-two million, twenty-one thousand, one hundred nineteen".