131313230302 has 16 divisors (see below), whose sum is σ = 199731343392. Its totient is φ = 64736686080.

The previous prime is 131313230227. The next prime is 131313230303. The reversal of 131313230302 is 203032313131.

It is a super-2 number, since 2×131313230302² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131313230303) 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, 324958 + ... + 606814.

It is an arithmetic number, because the mean of its divisors is an integer number (12483208962).

Almost surely, 2^131313230302 is an apocalyptic number.

131313230302 is a deficient number, since it is larger than the sum of its proper divisors (68418113090).

131313230302 is a wasteful number, since it uses less digits than its factorization.

131313230302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285123.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 131313230302 its reverse (203032313131), we get a palindrome (334345543433).

The spelling of 131313230302 in words is "one hundred thirty-one billion, three hundred thirteen million, two hundred thirty thousand, three hundred two".