101443431243 has 48 divisors (see below), whose sum is σ = 171740580480. Its totient is φ = 52668403200.

The previous prime is 101443431239. The next prime is 101443431277. The reversal of 101443431243 is 342134344101.

It is not a de Polignac number, because 101443431243 - 2² = 101443431239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101443431243.

It is not an unprimeable number, because it can be changed into a prime (101443431233) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3037908 + ... + 3071118.

It is an arithmetic number, because the mean of its divisors is an integer number (3577928760).

Almost surely, 2^101443431243 is an apocalyptic number.

101443431243 is a deficient number, since it is larger than the sum of its proper divisors (70297149237).

101443431243 is a wasteful number, since it uses less digits than its factorization.

101443431243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35128 (or 35121 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 101443431243 its reverse (342134344101), we get a palindrome (443577775344).

The spelling of 101443431243 in words is "one hundred one billion, four hundred forty-three million, four hundred thirty-one thousand, two hundred forty-three".