83980331 has 2 divisors, whose sum is σ = 83980332. Its totient is φ = 83980330.

The previous prime is 83980297. The next prime is 83980339. The reversal of 83980331 is 13308938.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83980331 - 2¹⁴ = 83963947 is a prime.

It is a super-2 number, since 2×83980331² = 14105391989739122, which contains 22 as substring.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 83980291 and 83980300.

It is not a weakly prime, because it can be changed into another prime (83980339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41990165 + 41990166.

It is an arithmetic number, because the mean of its divisors is an integer number (41990166).

Almost surely, 2^83980331 is an apocalyptic number.

83980331 is a deficient number, since it is larger than the sum of its proper divisors (1).

83980331 is an equidigital number, since it uses as much as digits as its factorization.

83980331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 83980331 is about 9164.0782951697. The cubic root of 83980331 is about 437.9177284784.

The spelling of 83980331 in words is "eighty-three million, nine hundred eighty thousand, three hundred thirty-one".