109546201431 has 24 divisors (see below), whose sum is σ = 166733973120. Its totient is φ = 69115422096.

The previous prime is 109546201403. The next prime is 109546201447. The reversal of 109546201431 is 134102645901.

It is a happy number.

109546201431 is a `hidden beast` number, since 10 + 9 + 5 + 4 + 6 + 201 + 431 = 666.

It is not a de Polignac number, because 109546201431 - 2³⁰ = 108472459607 is a prime.

It is a super-2 number, since 2×109546201431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109546211431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165885 + ... + 496598.

It is an arithmetic number, because the mean of its divisors is an integer number (6947248880).

Almost surely, 2^109546201431 is an apocalyptic number.

109546201431 is a deficient number, since it is larger than the sum of its proper divisors (57187771689).

109546201431 is a wasteful number, since it uses less digits than its factorization.

109546201431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663475 (or 663472 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 109546201431 in words is "one hundred nine billion, five hundred forty-six million, two hundred one thousand, four hundred thirty-one".