131321302 has 16 divisors (see below), whose sum is σ = 226897920. Its totient is φ = 55836648.

The previous prime is 131321297. The next prime is 131321303. The reversal of 131321302 is 203123131.

131321302 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131321303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35152 + ... + 38707.

It is an arithmetic number, because the mean of its divisors is an integer number (14181120).

Almost surely, 2^131321302 is an apocalyptic number.

131321302 is a deficient number, since it is larger than the sum of its proper divisors (95576618).

131321302 is a wasteful number, since it uses less digits than its factorization.

131321302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73995.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 131321302 is about 11459.5506892722. The cubic root of 131321302 is about 508.2901885326.

Adding to 131321302 its reverse (203123131), we get a palindrome (334444433).

The spelling of 131321302 in words is "one hundred thirty-one million, three hundred twenty-one thousand, three hundred two".