3131983 has 2 divisors, whose sum is σ = 3131984. Its totient is φ = 3131982.

The previous prime is 3131981. The next prime is 3132007. The reversal of 3131983 is 3891313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3131983 - 2¹ = 3131981 is a prime.

Together with 3131981, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3131981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565991 + 1565992.

It is an arithmetic number, because the mean of its divisors is an integer number (1565992).

Almost surely, 2^3131983 is an apocalyptic number.

3131983 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131983 is an equidigital number, since it uses as much as digits as its factorization.

3131983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 28.

The square root of 3131983 is about 1769.7409414940. The cubic root of 3131983 is about 146.3097041159.

It can be divided in two parts, 3131 and 983, that added together give a palindrome (4114).

The spelling of 3131983 in words is "three million, one hundred thirty-one thousand, nine hundred eighty-three".