131211320320330 has 8 divisors (see below), whose sum is σ = 236180376576612. Its totient is φ = 52484528128128.

The previous prime is 131211320320319. The next prime is 131211320320417. The reversal of 131211320320330 is 33023023112131.

It can be written as a sum of positive squares in 2 ways, for example, as 126815458770169 + 4395861550161 = 11261237^2 + 2096631^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×131211320320330² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131211320320295 and 131211320320304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6560566016007 + ... + 6560566016026.

Almost surely, 2^{131211320320330} is an apocalyptic number.

131211320320330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131211320320330 is a deficient number, since it is larger than the sum of its proper divisors (104969056256282).

131211320320330 is a wasteful number, since it uses less digits than its factorization.

131211320320330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13121132032040.

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

Adding to 131211320320330 its reverse (33023023112131), we get a palindrome (164234343432461).

The spelling of 131211320320330 in words is "one hundred thirty-one trillion, two hundred eleven billion, three hundred twenty million, three hundred twenty thousand, three hundred thirty".