101311243401 has 4 divisors (see below), whose sum is σ = 135081657872. Its totient is φ = 67540828932.

The previous prime is 101311243349. The next prime is 101311243427. The reversal of 101311243401 is 104342113101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104342113101 = 3 ⋅34780704367.

It is not a de Polignac number, because 101311243401 - 2⁷ = 101311243273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101311243301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16885207231 + ... + 16885207236.

It is an arithmetic number, because the mean of its divisors is an integer number (33770414468).

Almost surely, 2^101311243401 is an apocalyptic number.

It is an amenable number.

101311243401 is a deficient number, since it is larger than the sum of its proper divisors (33770414471).

101311243401 is an equidigital number, since it uses as much as digits as its factorization.

101311243401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33770414470.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 101311243401 its reverse (104342113101), we get a palindrome (205653356502).

The spelling of 101311243401 in words is "one hundred one billion, three hundred eleven million, two hundred forty-three thousand, four hundred one".