1021310232425 has 12 divisors (see below), whose sum is σ = 1447342501056. Its totient is φ = 700327016400.

The previous prime is 1021310232407. The next prime is 1021310232427. The reversal of 1021310232425 is 5242320131201.

It is not a de Polignac number, because 1021310232425 - 2¹⁶ = 1021310166889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1021310232394 and 1021310232403.

It is not an unprimeable number, because it can be changed into a prime (1021310232427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2918029061 + ... + 2918029410.

It is an arithmetic number, because the mean of its divisors is an integer number (120611875088).

Almost surely, 2^{1021310232425} is an apocalyptic number.

It is an amenable number.

1021310232425 is a deficient number, since it is larger than the sum of its proper divisors (426032268631).

1021310232425 is an equidigital number, since it uses as much as digits as its factorization.

1021310232425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5836058488 (or 5836058483 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 1021310232425 its reverse (5242320131201), we get a palindrome (6263630363626).

The spelling of 1021310232425 in words is "one trillion, twenty-one billion, three hundred ten million, two hundred thirty-two thousand, four hundred twenty-five".