1310531909225 has 144 divisors (see below), whose sum is σ = 2085251118720. Its totient is φ = 799590528000.

The previous prime is 1310531909201. The next prime is 1310531909227. The reversal of 1310531909225 is 5229091350131.

It is not a de Polignac number, because 1310531909225 - 2⁶ = 1310531909161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1310531909227) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 191566805 + ... + 191573645.

Almost surely, 2^{1310531909225} is an apocalyptic number.

It is an amenable number.

1310531909225 is a deficient number, since it is larger than the sum of its proper divisors (774719209495).

1310531909225 is a wasteful number, since it uses less digits than its factorization.

1310531909225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7072 (or 7056 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 41.

The spelling of 1310531909225 in words is "one trillion, three hundred ten billion, five hundred thirty-one million, nine hundred nine thousand, two hundred twenty-five".