1313452631025 has 144 divisors (see below), whose sum is σ = 2431523622528. Its totient is φ = 677319552000.

The previous prime is 1313452631011. The next prime is 1313452631033. The reversal of 1313452631025 is 5201362543131.

1313452631025 is a `hidden beast` number, since 1 + 3 + 13 + 4 + 5 + 2 + 631 + 0 + 2 + 5 = 666.

It is not a de Polignac number, because 1313452631025 - 2⁵ = 1313452630993 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 711126652 + ... + 711128498.

It is an arithmetic number, because the mean of its divisors is an integer number (16885580712).

Almost surely, 2^{1313452631025} is an apocalyptic number.

1313452631025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1313452631025 is a deficient number, since it is larger than the sum of its proper divisors (1118070991503).

1313452631025 is a wasteful number, since it uses less digits than its factorization.

1313452631025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552 (or 2544 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 1313452631025 in words is "one trillion, three hundred thirteen billion, four hundred fifty-two million, six hundred thirty-one thousand, twenty-five".