3131420133 has 8 divisors (see below), whose sum is σ = 4177960096. Its totient is φ = 2086246800.

The previous prime is 3131420101. The next prime is 3131420183. The reversal of 3131420133 is 3310241313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3131420133 - 2⁵ = 3131420101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131420183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336298 + ... + 345483.

It is an arithmetic number, because the mean of its divisors is an integer number (522245012).

Almost surely, 2^3131420133 is an apocalyptic number.

It is an amenable number.

3131420133 is a deficient number, since it is larger than the sum of its proper divisors (1046539963).

3131420133 is a wasteful number, since it uses less digits than its factorization.

3131420133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683315.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 3131420133 is about 55959.0933897253. The cubic root of 3131420133 is about 1463.0093886635.

Adding to 3131420133 its reverse (3310241313), we get a palindrome (6441661446).

The spelling of 3131420133 in words is "three billion, one hundred thirty-one million, four hundred twenty thousand, one hundred thirty-three".