43112321071345 has 16 divisors (see below), whose sum is σ = 51848592852672. Its totient is φ = 34413989722560.

The previous prime is 43112321071283. The next prime is 43112321071411. The reversal of 43112321071345 is 54317012321134.

It is not a de Polignac number, because 43112321071345 - 2⁷ = 43112321071217 is a prime.

It is a super-3 number, since 3×43112321071345³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80044714 + ... + 80581516.

It is an arithmetic number, because the mean of its divisors is an integer number (3240537053292).

Almost surely, 2^{43112321071345} is an apocalyptic number.

It is an amenable number.

43112321071345 is a deficient number, since it is larger than the sum of its proper divisors (8736271781327).

43112321071345 is a wasteful number, since it uses less digits than its factorization.

43112321071345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572112.

The product of its (nonzero) digits is 60480, while the sum is 37.

Adding to 43112321071345 its reverse (54317012321134), we get a palindrome (97429333392479).

The spelling of 43112321071345 in words is "forty-three trillion, one hundred twelve billion, three hundred twenty-one million, seventy-one thousand, three hundred forty-five".