9944106131 has 4 divisors (see below), whose sum is σ = 9944446872. Its totient is φ = 9943765392.

The previous prime is 9944106103. The next prime is 9944106173. The reversal of 9944106131 is 1316014499.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1316014499 = 19 ⋅69263921.

It is a cyclic number.

It is not a de Polignac number, because 9944106131 - 2¹⁴ = 9944089747 is a prime.

It is a super-2 number, since 2×9944106131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9944106101) 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, 122021 + ... + 186486.

It is an arithmetic number, because the mean of its divisors is an integer number (2486111718).

Almost surely, 2^9944106131 is an apocalyptic number.

9944106131 is a deficient number, since it is larger than the sum of its proper divisors (340741).

9944106131 is a wasteful number, since it uses less digits than its factorization.

9944106131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340740.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 9944106131 is about 99720.1390442272. The cubic root of 9944106131 is about 2150.4131984642.

The spelling of 9944106131 in words is "nine billion, nine hundred forty-four million, one hundred six thousand, one hundred thirty-one".