1302100231 has 2 divisors, whose sum is σ = 1302100232. Its totient is φ = 1302100230.

The previous prime is 1302100213. The next prime is 1302100259. The reversal of 1302100231 is 1320012031.

Together with previous prime (1302100213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1302100231 - 2⁷ = 1302100103 is a prime.

It is a super-2 number, since 2×1302100231² = 3390930023140506722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1302100211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651050115 + 651050116.

It is an arithmetic number, because the mean of its divisors is an integer number (651050116).

Almost surely, 2^1302100231 is an apocalyptic number.

1302100231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302100231 is an equidigital number, since it uses as much as digits as its factorization.

1302100231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1302100231 is about 36084.6259645295. The cubic root of 1302100231 is about 1091.9803045708.

Adding to 1302100231 its reverse (1320012031), we get a palindrome (2622112262).

The spelling of 1302100231 in words is "one billion, three hundred two million, one hundred thousand, two hundred thirty-one".