131211300302031 has 8 divisors (see below), whose sum is σ = 174949669367424. Its totient is φ = 87473565719000.

The previous prime is 131211300302003. The next prime is 131211300302053. The reversal of 131211300302031 is 130203003112131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 131211300302031 - 2⁵ = 131211300301999 is a prime.

It is a super-2 number, since 2×131211300302031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131211300301989 and 131211300302007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131211300302081) 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, 158137845 + ... + 158965406.

It is an arithmetic number, because the mean of its divisors is an integer number (21868708670928).

Almost surely, 2^{131211300302031} is an apocalyptic number.

131211300302031 is a deficient number, since it is larger than the sum of its proper divisors (43738369065393).

131211300302031 is a wasteful number, since it uses less digits than its factorization.

131211300302031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317241181.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 131211300302031 its reverse (130203003112131), we get a palindrome (261414303414162).

The spelling of 131211300302031 in words is "one hundred thirty-one trillion, two hundred eleven billion, three hundred million, three hundred two thousand, thirty-one".