131019248770 has 16 divisors (see below), whose sum is σ = 243966877560. Its totient is φ = 50600537344.

The previous prime is 131019248707. The next prime is 131019248779. The reversal of 131019248770 is 77842910131.

It can be written as a sum of positive squares in 4 ways, for example, as 80246991841 + 50772256929 = 283279^2 + 225327^2 .

It is not an unprimeable number, because it can be changed into a prime (131019248779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225894967 + ... + 225895546.

Almost surely, 2^131019248770 is an apocalyptic number.

131019248770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131019248770 is a deficient number, since it is larger than the sum of its proper divisors (112947628790).

131019248770 is a wasteful number, since it uses less digits than its factorization.

131019248770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451790549.

The product of its (nonzero) digits is 84672, while the sum is 43.

The spelling of 131019248770 in words is "one hundred thirty-one billion, nineteen million, two hundred forty-eight thousand, seven hundred seventy".