105131430544 has 40 divisors (see below), whose sum is σ = 232827036608. Its totient is φ = 45049357440.

The previous prime is 105131430497. The next prime is 105131430563. The reversal of 105131430544 is 445034131501.

It is a super-2 number, since 2×105131430544² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 690259 + ... + 828685.

Almost surely, 2^105131430544 is an apocalyptic number.

105131430544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

105131430544 is an abundant number, since it is smaller than the sum of its proper divisors (127695606064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105131430544 is a wasteful number, since it uses less digits than its factorization.

105131430544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145223 (or 145217 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 105131430544 in words is "one hundred five billion, one hundred thirty-one million, four hundred thirty thousand, five hundred forty-four".