2313250021 has 2 divisors, whose sum is σ = 2313250022. Its totient is φ = 2313250020.

The previous prime is 2313249941. The next prime is 2313250067. The reversal of 2313250021 is 1200523132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1610416900 + 702833121 = 40130^2 + 26511^2 .

It is a cyclic number.

It is not a de Polignac number, because 2313250021 - 2²⁷ = 2179032293 is a prime.

It is a super-2 number, since 2×2313250021² = 10702251319313000882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2313250321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156625010 + 1156625011.

It is an arithmetic number, because the mean of its divisors is an integer number (1156625011).

Almost surely, 2^2313250021 is an apocalyptic number.

It is an amenable number.

2313250021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2313250021 is an equidigital number, since it uses as much as digits as its factorization.

2313250021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2313250021 is about 48096.2578689860. The cubic root of 2313250021 is about 1322.5360681413.

Adding to 2313250021 its reverse (1200523132), we get a palindrome (3513773153).

It can be divided in two parts, 23132 and 50021, that added together give a triangular number (73153 = T₃₈₂).

The spelling of 2313250021 in words is "two billion, three hundred thirteen million, two hundred fifty thousand, twenty-one".