3420887531 has 4 divisors (see below), whose sum is σ = 3538849200. Its totient is φ = 3302925864.

The previous prime is 3420887461. The next prime is 3420887539. The reversal of 3420887531 is 1357880243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1357880243 = 47 ⋅28891069.

It is a cyclic number.

It is not a de Polignac number, because 3420887531 - 2¹⁴ = 3420871147 is a prime.

It is a super-2 number, since 2×3420887531² = 23404942999502551922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3420887539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58980791 + ... + 58980848.

It is an arithmetic number, because the mean of its divisors is an integer number (884712300).

Almost surely, 2^3420887531 is an apocalyptic number.

3420887531 is a deficient number, since it is larger than the sum of its proper divisors (117961669).

3420887531 is a wasteful number, since it uses less digits than its factorization.

3420887531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117961668.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 3420887531 is about 58488.3538065485. The cubic root of 3420887531 is about 1506.7675734545.

The spelling of 3420887531 in words is "three billion, four hundred twenty million, eight hundred eighty-seven thousand, five hundred thirty-one".