131454012312252 has 360 divisors, whose sum is σ = 404248031876304. Its totient is φ = 37138244677632.

The previous prime is 131454012312247. The next prime is 131454012312319. The reversal of 131454012312252 is 252213210454131.

131454012312252 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 5 + 401 + 23 + 1 + 225 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 509665308 + ... + 509923164.

Almost surely, 2^{131454012312252} is an apocalyptic number.

131454012312252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131454012312252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202124015938152).

131454012312252 is an abundant number, since it is smaller than the sum of its proper divisors (272794019564052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131454012312252 is a wasteful number, since it uses less digits than its factorization.

131454012312252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258247 (or 258229 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 131454012312252 its reverse (252213210454131), we get a palindrome (383667222766383).

The spelling of 131454012312252 in words is "one hundred thirty-one trillion, four hundred fifty-four billion, twelve million, three hundred twelve thousand, two hundred fifty-two".