131345454305252 has 48 divisors (see below), whose sum is σ = 252396347828352. Its totient is φ = 59311440967680.

The previous prime is 131345454305239. The next prime is 131345454305267. The reversal of 131345454305252 is 252503454543131.

131345454305252 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×131345454305252² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131345454305197 and 131345454305206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4463843 + ... + 16811210.

It is an arithmetic number, because the mean of its divisors is an integer number (5258257246424).

Almost surely, 2^{131345454305252} is an apocalyptic number.

It is an amenable number.

131345454305252 is a deficient number, since it is larger than the sum of its proper divisors (121050893523100).

131345454305252 is a wasteful number, since it uses less digits than its factorization.

131345454305252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21275988 (or 21275986 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 47.

The spelling of 131345454305252 in words is "one hundred thirty-one trillion, three hundred forty-five billion, four hundred fifty-four million, three hundred five thousand, two hundred fifty-two".