31133322022289 has 2 divisors, whose sum is σ = 31133322022290. Its totient is φ = 31133322022288.

The previous prime is 31133322022277. The next prime is 31133322022357. The reversal of 31133322022289 is 98222022333113.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27916249317889 + 3217072704400 = 5283583^2 + 1793620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31133322022289 is a prime.

It is a super-2 number, since 2×31133322022289² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31133322022219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15566661011144 + 15566661011145.

It is an arithmetic number, because the mean of its divisors is an integer number (15566661011145).

Almost surely, 2^{31133322022289} is an apocalyptic number.

It is an amenable number.

31133322022289 is a deficient number, since it is larger than the sum of its proper divisors (1).

31133322022289 is an equidigital number, since it uses as much as digits as its factorization.

31133322022289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 31133322022289 in words is "thirty-one trillion, one hundred thirty-three billion, three hundred twenty-two million, twenty-two thousand, two hundred eighty-nine".