1021010231 has 2 divisors, whose sum is σ = 1021010232. Its totient is φ = 1021010230.

The previous prime is 1021010197. The next prime is 1021010233. The reversal of 1021010231 is 1320101201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1021010231 - 2¹⁴ = 1020993847 is a prime.

It is a super-2 number, since 2×1021010231² = 2084923783613346722, which contains 22 as substring.

Together with 1021010233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021010233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510505115 + 510505116.

It is an arithmetic number, because the mean of its divisors is an integer number (510505116).

Almost surely, 2^1021010231 is an apocalyptic number.

1021010231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021010231 is an equidigital number, since it uses as much as digits as its factorization.

1021010231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1021010231 is about 31953.2507109997. The cubic root of 1021010231 is about 1006.9549271823.

Adding to 1021010231 its reverse (1320101201), we get a palindrome (2341111432).

The spelling of 1021010231 in words is "one billion, twenty-one million, ten thousand, two hundred thirty-one".