1983353131 has 2 divisors, whose sum is σ = 1983353132. Its totient is φ = 1983353130.

The previous prime is 1983353117. The next prime is 1983353149. The reversal of 1983353131 is 1313533891.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1983353131 - 2²⁵ = 1949798699 is a prime.

It is a super-2 number, since 2×1983353131² = 7867379284495006322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1983353101) 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 as a sum of consecutive naturals, namely, 991676565 + 991676566.

It is an arithmetic number, because the mean of its divisors is an integer number (991676566).

Almost surely, 2^1983353131 is an apocalyptic number.

1983353131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1983353131 is an equidigital number, since it uses as much as digits as its factorization.

1983353131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 37.

The square root of 1983353131 is about 44534.8529917861. The cubic root of 1983353131 is about 1256.4156828216.

The spelling of 1983353131 in words is "one billion, nine hundred eighty-three million, three hundred fifty-three thousand, one hundred thirty-one".