3478391131 has 16 divisors (see below), whose sum is σ = 3932527104. Its totient is φ = 3058602624.

The previous prime is 3478391107. The next prime is 3478391159. The reversal of 3478391131 is 1311938743.

3478391131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3478391131 - 2¹⁷ = 3478260059 is a prime.

It is a super-2 number, since 2×3478391131² = 24198409720438918322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3478391101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86631 + ... + 120256.

It is an arithmetic number, because the mean of its divisors is an integer number (245782944).

Almost surely, 2^3478391131 is an apocalyptic number.

3478391131 is a deficient number, since it is larger than the sum of its proper divisors (454135973).

3478391131 is a wasteful number, since it uses less digits than its factorization.

3478391131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206970.

The product of its digits is 54432, while the sum is 40.

The square root of 3478391131 is about 58977.8867966630. The cubic root of 3478391131 is about 1515.1634022290.

The spelling of 3478391131 in words is "three billion, four hundred seventy-eight million, three hundred ninety-one thousand, one hundred thirty-one".