123031132010 has 32 divisors (see below), whose sum is σ = 228250928592. Its totient is φ = 47711946240.

The previous prime is 123031132001. The next prime is 123031132013. The reversal of 123031132010 is 10231130321.

It can be written as a sum of positive squares in 8 ways, for example, as 118872558841 + 4158573169 = 344779^2 + 64487^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 123031132010.

It is not an unprimeable number, because it can be changed into a prime (123031132013) 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 in 15 ways as a sum of consecutive naturals, for example, 487697 + ... + 695636.

Almost surely, 2^123031132010 is an apocalyptic number.

123031132010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123031132010 is a deficient number, since it is larger than the sum of its proper divisors (105219796582).

123031132010 is a wasteful number, since it uses less digits than its factorization.

123031132010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183658.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 123031132010 its reverse (10231130321), we get a palindrome (133262262331).

The spelling of 123031132010 in words is "one hundred twenty-three billion, thirty-one million, one hundred thirty-two thousand, ten".