131730070 has 16 divisors (see below), whose sum is σ = 242629200. Its totient is φ = 51466464.

The previous prime is 131730061. The next prime is 131730077. The reversal of 131730070 is 70037131.

It is a super-2 number, since 2×131730070² = 34705622684409800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131730077) 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, 152745 + ... + 153604.

It is an arithmetic number, because the mean of its divisors is an integer number (15164325).

Almost surely, 2^131730070 is an apocalyptic number.

131730070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131730070 is a deficient number, since it is larger than the sum of its proper divisors (110899130).

131730070 is a wasteful number, since it uses less digits than its factorization.

131730070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306399.

The product of its (nonzero) digits is 441, while the sum is 22.

The square root of 131730070 is about 11477.3720859786. The cubic root of 131730070 is about 508.8170326226.

The spelling of 131730070 in words is "one hundred thirty-one million, seven hundred thirty thousand, seventy".