131011443433401 has 16 divisors (see below), whose sum is σ = 175963675707264. Its totient is φ = 86700135279744.

The previous prime is 131011443433397. The next prime is 131011443433433. The reversal of 131011443433401 is 104334344110131.

It is not a de Polignac number, because 131011443433401 - 2² = 131011443433397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131011443433301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4760076 + ... + 16872498.

It is an arithmetic number, because the mean of its divisors is an integer number (10997729731704).

Almost surely, 2^{131011443433401} is an apocalyptic number.

It is an amenable number.

131011443433401 is a deficient number, since it is larger than the sum of its proper divisors (44952232273863).

131011443433401 is a wasteful number, since it uses less digits than its factorization.

131011443433401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12138880.

The product of its (nonzero) digits is 20736, while the sum is 33.

Adding to 131011443433401 its reverse (104334344110131), we get a palindrome (235345787543532).

The spelling of 131011443433401 in words is "one hundred thirty-one trillion, eleven billion, four hundred forty-three million, four hundred thirty-three thousand, four hundred one".