131651070 has 64 divisors (see below), whose sum is σ = 321995520. Its totient is φ = 34444800.

The previous prime is 131651063. The next prime is 131651071. The reversal of 131651070 is 70156131.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 131651070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131651071) 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 31 ways as a sum of consecutive naturals, for example, 546150 + ... + 546390.

It is an arithmetic number, because the mean of its divisors is an integer number (5031180).

Almost surely, 2^131651070 is an apocalyptic number.

131651070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131651070 is an abundant number, since it is smaller than the sum of its proper divisors (190344450).

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

131651070 is a wasteful number, since it uses less digits than its factorization.

131651070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 131651070 is about 11473.9300154742. The cubic root of 131651070 is about 508.7152978562.

The spelling of 131651070 in words is "one hundred thirty-one million, six hundred fifty-one thousand, seventy".