1231052032035 has 128 divisors (see below), whose sum is σ = 2543254272000. Its totient is φ = 560279586816.

The previous prime is 1231052032031. The next prime is 1231052032051. The reversal of 1231052032035 is 5302302501321.

It is a happy number.

1231052032035 is a `hidden beast` number, since 1 + 2 + 310 + 5 + 20 + 320 + 3 + 5 = 666.

It is not a de Polignac number, because 1231052032035 - 2² = 1231052032031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1231052032031) 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 in 127 ways as a sum of consecutive naturals, for example, 17340291 + ... + 17411139.

It is an arithmetic number, because the mean of its divisors is an integer number (19869174000).

Almost surely, 2^{1231052032035} is an apocalyptic number.

1231052032035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1231052032035 is an abundant number, since it is smaller than the sum of its proper divisors (1312202239965).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231052032035 is an frugal number, since it uses more digits than its factorization.

1231052032035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71109 (or 71091 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 1231052032035 its reverse (5302302501321), we get a palindrome (6533354533356).

The spelling of 1231052032035 in words is "one trillion, two hundred thirty-one billion, fifty-two million, thirty-two thousand, thirty-five".