3420542131 has 4 divisors (see below), whose sum is σ = 3425829552. Its totient is φ = 3415254712.

The previous prime is 3420542119. The next prime is 3420542159. The reversal of 3420542131 is 1312450243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1312450243 = 13 ⋅100957711.

It is a cyclic number.

It is not a de Polignac number, because 3420542131 - 2⁷ = 3420542003 is a prime.

It is a super-2 number, since 2×3420542131² = 23400216939892042322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3420542096 and 3420542105.

It is not an unprimeable number, because it can be changed into a prime (3420542101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2642740 + ... + 2644033.

It is an arithmetic number, because the mean of its divisors is an integer number (856457388).

Almost surely, 2^3420542131 is an apocalyptic number.

3420542131 is a deficient number, since it is larger than the sum of its proper divisors (5287421).

3420542131 is an equidigital number, since it uses as much as digits as its factorization.

3420542131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5287420.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 3420542131 is about 58485.4010074309. The cubic root of 3420542131 is about 1506.7168600035.

Adding to 3420542131 its reverse (1312450243), we get a palindrome (4732992374).

The spelling of 3420542131 in words is "three billion, four hundred twenty million, five hundred forty-two thousand, one hundred thirty-one".