2245431513121 has 8 divisors (see below), whose sum is σ = 2251647887400. Its totient is φ = 2239223592960.

The previous prime is 2245431513109. The next prime is 2245431513133. The reversal of 2245431513121 is 1213151345422.

It is an interprime number because it is at equal distance from previous prime (2245431513109) and next prime (2245431513133).

It can be written as a sum of positive squares in 4 ways, for example, as 171428293521 + 2074003219600 = 414039^2 + 1440140^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2245431513121 - 2¹⁵ = 2245431480353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2245431513421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1581406 + ... + 2644183.

It is an arithmetic number, because the mean of its divisors is an integer number (281455985925).

Almost surely, 2^{2245431513121} is an apocalyptic number.

It is an amenable number.

2245431513121 is a deficient number, since it is larger than the sum of its proper divisors (6216374279).

2245431513121 is an equidigital number, since it uses as much as digits as its factorization.

2245431513121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4227059.

The product of its digits is 28800, while the sum is 34.

Adding to 2245431513121 its reverse (1213151345422), we get a palindrome (3458582858543).

The spelling of 2245431513121 in words is "two trillion, two hundred forty-five billion, four hundred thirty-one million, five hundred thirteen thousand, one hundred twenty-one".