1231303133102 has 32 divisors (see below), whose sum is σ = 2221966963200. Its totient is φ = 499912609248.

The previous prime is 1231303133041. The next prime is 1231303133107. The reversal of 1231303133102 is 2013313031321.

It is a super-2 number, since 2×1231303133102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231303133107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14836799 + ... + 14919557.

It is an arithmetic number, because the mean of its divisors is an integer number (69436467600).

Almost surely, 2^{1231303133102} is an apocalyptic number.

1231303133102 is a deficient number, since it is larger than the sum of its proper divisors (990663830098).

1231303133102 is a wasteful number, since it uses less digits than its factorization.

1231303133102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138720.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1231303133102 its reverse (2013313031321), we get a palindrome (3244616164423).

The spelling of 1231303133102 in words is "one trillion, two hundred thirty-one billion, three hundred three million, one hundred thirty-three thousand, one hundred two".