131144473870 has 32 divisors (see below), whose sum is σ = 248566546080. Its totient is φ = 49680397440.

The previous prime is 131144473847. The next prime is 131144473871. The reversal of 131144473870 is 78374441131.

It is a super-2 number, since 2×131144473870² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131144473871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468844 + ... + 694336.

It is an arithmetic number, because the mean of its divisors is an integer number (7767704565).

Almost surely, 2^131144473870 is an apocalyptic number.

131144473870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131144473870 is a deficient number, since it is larger than the sum of its proper divisors (117422072210).

131144473870 is a wasteful number, since it uses less digits than its factorization.

131144473870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228580.

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 131144473870 in words is "one hundred thirty-one billion, one hundred forty-four million, four hundred seventy-three thousand, eight hundred seventy".