1232020331 has 2 divisors, whose sum is σ = 1232020332. Its totient is φ = 1232020330.

The previous prime is 1232020327. The next prime is 1232020367. The reversal of 1232020331 is 1330202321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1232020331 - 2² = 1232020327 is a prime.

It is a super-2 number, since 2×1232020331² = 3035748191994699122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1232025331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616010165 + 616010166.

It is an arithmetic number, because the mean of its divisors is an integer number (616010166).

Almost surely, 2^1232020331 is an apocalyptic number.

1232020331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232020331 is an equidigital number, since it uses as much as digits as its factorization.

1232020331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1232020331 is about 35100.1471649337. The cubic root of 1232020331 is about 1072.0275791500.

Adding to 1232020331 its reverse (1330202321), we get a palindrome (2562222652).

The spelling of 1232020331 in words is "one billion, two hundred thirty-two million, twenty thousand, three hundred thirty-one".