1232887631 has 2 divisors, whose sum is σ = 1232887632. Its totient is φ = 1232887630.

The previous prime is 1232887613. The next prime is 1232887657. The reversal of 1232887631 is 1367882321.

Together with previous prime (1232887613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1232887631 - 2⁶ = 1232887567 is a prime.

It is a super-2 number, since 2×1232887631² = 3040023821345584322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232880631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616443815 + 616443816.

It is an arithmetic number, because the mean of its divisors is an integer number (616443816).

Almost surely, 2^1232887631 is an apocalyptic number.

1232887631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232887631 is an equidigital number, since it uses as much as digits as its factorization.

1232887631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 41.

The square root of 1232887631 is about 35112.4996404414. The cubic root of 1232887631 is about 1072.2790770098.

The spelling of 1232887631 in words is "one billion, two hundred thirty-two million, eight hundred eighty-seven thousand, six hundred thirty-one".