980020231 has 2 divisors, whose sum is σ = 980020232. Its totient is φ = 980020230.

The previous prime is 980020141. The next prime is 980020241. The reversal of 980020231 is 132020089.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 980020231 - 2²³ = 971631623 is a prime.

It is a super-2 number, since 2×980020231² = 1920879306338586722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 980020196 and 980020205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (980020241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490010115 + 490010116.

It is an arithmetic number, because the mean of its divisors is an integer number (490010116).

Almost surely, 2^980020231 is an apocalyptic number.

980020231 is a deficient number, since it is larger than the sum of its proper divisors (1).

980020231 is an equidigital number, since it uses as much as digits as its factorization.

980020231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 980020231 is about 31305.2748111241. The cubic root of 980020231 is about 993.2952234402.

The spelling of 980020231 in words is "nine hundred eighty million, twenty thousand, two hundred thirty-one".