1013252521131 has 16 divisors (see below), whose sum is σ = 1501137601920. Its totient is φ = 675491440680.

The previous prime is 1013252521123. The next prime is 1013252521133. The reversal of 1013252521131 is 1311252523101.

1013252521131 is a `hidden beast` number, since 1 + 0 + 1 + 3 + 2 + 5 + 2 + 521 + 131 = 666.

It is not a de Polignac number, because 1013252521131 - 2³ = 1013252521123 is a prime.

It is a super-2 number, since 2×1013252521131² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1013252521095 and 1013252521104.

It is not an unprimeable number, because it can be changed into a prime (1013252521133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1810036 + ... + 2302766.

It is an arithmetic number, because the mean of its divisors is an integer number (93821100120).

Almost surely, 2^{1013252521131} is an apocalyptic number.

1013252521131 is a deficient number, since it is larger than the sum of its proper divisors (487885080789).

1013252521131 is an equidigital number, since it uses as much as digits as its factorization.

1013252521131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568903 (or 568897 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The spelling of 1013252521131 in words is "one trillion, thirteen billion, two hundred fifty-two million, five hundred twenty-one thousand, one hundred thirty-one".