3431155045 has 4 divisors (see below), whose sum is σ = 4117386060. Its totient is φ = 2744924032.

The previous prime is 3431155037. The next prime is 3431155073. The reversal of 3431155045 is 5405511343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5405511343 = 19 ⋅284500597.

It can be written as a sum of positive squares in 2 ways, for example, as 1791067041 + 1640088004 = 42321^2 + 40498^2 .

It is a cyclic number.

It is not a de Polignac number, because 3431155045 - 2³ = 3431155037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3431154998 and 3431155016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343115500 + ... + 343115509.

It is an arithmetic number, because the mean of its divisors is an integer number (1029346515).

Almost surely, 2^3431155045 is an apocalyptic number.

It is an amenable number.

3431155045 is a deficient number, since it is larger than the sum of its proper divisors (686231015).

3431155045 is an equidigital number, since it uses as much as digits as its factorization.

3431155045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686231014.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 3431155045 is about 58576.0620475634. The cubic root of 3431155045 is about 1508.2735476305.

Adding to 3431155045 its reverse (5405511343), we get a palindrome (8836666388).

The spelling of 3431155045 in words is "three billion, four hundred thirty-one million, one hundred fifty-five thousand, forty-five".