131213343130 has 16 divisors (see below), whose sum is σ = 236280818664. Its totient is φ = 52463825920.

The previous prime is 131213343101. The next prime is 131213343139. The reversal of 131213343130 is 31343312131.

It can be written as a sum of positive squares in 4 ways, for example, as 57667699881 + 73545643249 = 240141^2 + 271193^2 .

It is a super-2 number, since 2×131213343130² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131213343095 and 131213343104.

It is not an unprimeable number, because it can be changed into a prime (131213343139) 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, 2663287 + ... + 2712106.

Almost surely, 2^131213343130 is an apocalyptic number.

131213343130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131213343130 is a deficient number, since it is larger than the sum of its proper divisors (105067475534).

131213343130 is a wasteful number, since it uses less digits than its factorization.

131213343130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5377841.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 131213343130 its reverse (31343312131), we get a palindrome (162556655261).

The spelling of 131213343130 in words is "one hundred thirty-one billion, two hundred thirteen million, three hundred forty-three thousand, one hundred thirty".