131000031201401 has 4 divisors (see below), whose sum is σ = 131000207052132. Its totient is φ = 130999855350672.

The previous prime is 131000031201373. The next prime is 131000031201443. The reversal of 131000031201401 is 104102130000131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 108301486240000 + 22698544961401 = 10406800^2 + 4764299^2 .

It is a cyclic number.

It is not a de Polignac number, because 131000031201401 - 2⁶ = 131000031201337 is a prime.

It is a super-2 number, since 2×131000031201401² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131000031201401.

It is not an unprimeable number, because it can be changed into a prime (131000031261401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86803166 + ... + 88299431.

It is an arithmetic number, because the mean of its divisors is an integer number (32750051763033).

Almost surely, 2^{131000031201401} is an apocalyptic number.

It is an amenable number.

131000031201401 is a deficient number, since it is larger than the sum of its proper divisors (175850731).

131000031201401 is an equidigital number, since it uses as much as digits as its factorization.

131000031201401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175850730.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 131000031201401 its reverse (104102130000131), we get a palindrome (235102161201532).

The spelling of 131000031201401 in words is "one hundred thirty-one trillion, thirty-one million, two hundred one thousand, four hundred one".