1226830831 has 2 divisors, whose sum is σ = 1226830832. Its totient is φ = 1226830830.

The previous prime is 1226830799. The next prime is 1226830889. The reversal of 1226830831 is 1380386221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1226830831 - 2⁵ = 1226830799 is a prime.

It is a super-3 number, since 3×1226830831³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1226837831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613415415 + 613415416.

It is an arithmetic number, because the mean of its divisors is an integer number (613415416).

Almost surely, 2^1226830831 is an apocalyptic number.

1226830831 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226830831 is an equidigital number, since it uses as much as digits as its factorization.

1226830831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 1226830831 is about 35026.1449634412. The cubic root of 1226830831 is about 1070.5202672672.

The spelling of 1226830831 in words is "one billion, two hundred twenty-six million, eight hundred thirty thousand, eight hundred thirty-one".