131367312450 has 144 divisors (see below), whose sum is σ = 387023416416. Its totient is φ = 31681382400.

The previous prime is 131367312443. The next prime is 131367312493. The reversal of 131367312450 is 54213763131.

131367312450 is a `hidden beast` number, since 1 + 3 + 136 + 73 + 1 + 2 + 450 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 886597 + ... + 1024103.

It is an arithmetic number, because the mean of its divisors is an integer number (2687662614).

Almost surely, 2^131367312450 is an apocalyptic number.

131367312450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 131367312450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193511708208).

131367312450 is an abundant number, since it is smaller than the sum of its proper divisors (255656103966).

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

131367312450 is a wasteful number, since it uses less digits than its factorization.

131367312450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137729 (or 137721 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 131367312450 in words is "one hundred thirty-one billion, three hundred sixty-seven million, three hundred twelve thousand, four hundred fifty".