131719047450 has 24 divisors (see below), whose sum is σ = 326663238048. Its totient is φ = 35125079280.

The previous prime is 131719047443. The next prime is 131719047457. The reversal of 131719047450 is 54740917131.

It is an interprime number because it is at equal distance from previous prime (131719047443) and next prime (131719047457).

It is a super-2 number, since 2×131719047450² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131719047457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 439063342 + ... + 439063641.

It is an arithmetic number, because the mean of its divisors is an integer number (13610968252).

Almost surely, 2^131719047450 is an apocalyptic number.

131719047450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131719047450 is an abundant number, since it is smaller than the sum of its proper divisors (194944190598).

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

131719047450 is a wasteful number, since it uses less digits than its factorization.

131719047450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878126998 (or 878126993 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 42.

The spelling of 131719047450 in words is "one hundred thirty-one billion, seven hundred nineteen million, forty-seven thousand, four hundred fifty".