131103231302 has 32 divisors (see below), whose sum is σ = 198351806400. Its totient is φ = 64989388800.

The previous prime is 131103231257. The next prime is 131103231307. The reversal of 131103231302 is 203132301131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131103231307) 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, 158145824 + ... + 158146652.

It is an arithmetic number, because the mean of its divisors is an integer number (6198493950).

Almost surely, 2^131103231302 is an apocalyptic number.

131103231302 is a deficient number, since it is larger than the sum of its proper divisors (67248575098).

131103231302 is a wasteful number, since it uses less digits than its factorization.

131103231302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2192.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 131103231302 its reverse (203132301131), we get a palindrome (334235532433).

The spelling of 131103231302 in words is "one hundred thirty-one billion, one hundred three million, two hundred thirty-one thousand, three hundred two".