5431771345 has 32 divisors (see below), whose sum is σ = 8751617280. Its totient is φ = 3125571840.

The previous prime is 5431771297. The next prime is 5431771363.

5431771345 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5431771345 - 2¹⁷ = 5431640273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5431771298 and 5431771307.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 537630 + ... + 547639.

It is an arithmetic number, because the mean of its divisors is an integer number (273488040).

Almost surely, 2^5431771345 is an apocalyptic number.

5431771345 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5431771345 is a deficient number, since it is larger than the sum of its proper divisors (3319845935).

5431771345 is a wasteful number, since it uses less digits than its factorization.

5431771345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085305.

The product of its digits is 176400, while the sum is 40.

The square root of 5431771345 is about 73700.5518636055. The cubic root of 5431771345 is about 1757.8446568042.

The spelling of 5431771345 in words is "five billion, four hundred thirty-one million, seven hundred seventy-one thousand, three hundred forty-five".