101443031401 has 2 divisors, whose sum is σ = 101443031402. Its totient is φ = 101443031400.

The previous prime is 101443031399. The next prime is 101443031407. The reversal of 101443031401 is 104130344101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101442887001 + 144400 = 318501^2 + 380^2 .

It is a cyclic number.

It is not a de Polignac number, because 101443031401 - 2¹ = 101443031399 is a prime.

Together with 101443031399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (101443031407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50721515700 + 50721515701.

It is an arithmetic number, because the mean of its divisors is an integer number (50721515701).

Almost surely, 2^101443031401 is an apocalyptic number.

It is an amenable number.

101443031401 is a deficient number, since it is larger than the sum of its proper divisors (1).

101443031401 is an equidigital number, since it uses as much as digits as its factorization.

101443031401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 101443031401 its reverse (104130344101), we get a palindrome (205573375502).

The spelling of 101443031401 in words is "one hundred one billion, four hundred forty-three million, thirty-one thousand, four hundred one".