1231150522 has 32 divisors (see below), whose sum is σ = 2161958400. Its totient is φ = 514913328.

The previous prime is 1231150519. The next prime is 1231150549. The reversal of 1231150522 is 2250511321.

It is a junction number, because it is equal to n+sod(n) for n = 1231150493 and 1231150502.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 109453 + ... + 120175.

It is an arithmetic number, because the mean of its divisors is an integer number (67561200).

Almost surely, 2^1231150522 is an apocalyptic number.

1231150522 is a deficient number, since it is larger than the sum of its proper divisors (930807878).

1231150522 is a wasteful number, since it uses less digits than its factorization.

1231150522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10930.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1231150522 is about 35087.7545876051. The cubic root of 1231150522 is about 1071.7752351644.

Adding to 1231150522 its reverse (2250511321), we get a palindrome (3481661843).

The spelling of 1231150522 in words is "one billion, two hundred thirty-one million, one hundred fifty thousand, five hundred twenty-two".