7131273700 has 18 divisors (see below), whose sum is σ = 15474864146. Its totient is φ = 2852509440.

The previous prime is 7131273691. The next prime is 7131273703. The reversal of 7131273700 is 73721317.

It can be written as a sum of positive squares in 3 ways, for example, as 52070656 + 7079203044 = 7216^2 + 84138^2 .

It is not an unprimeable number, because it can be changed into a prime (7131273703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35656269 + ... + 35656468.

Almost surely, 2^7131273700 is an apocalyptic number.

It is an amenable number.

7131273700 is an abundant number, since it is smaller than the sum of its proper divisors (8343590446).

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

7131273700 is a wasteful number, since it uses less digits than its factorization.

7131273700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71312751 (or 71312744 counting only the distinct ones).

The product of its (nonzero) digits is 6174, while the sum is 31.

The square root of 7131273700 is about 84446.8690953075. The cubic root of 7131273700 is about 1924.8151798721.

The spelling of 7131273700 in words is "seven billion, one hundred thirty-one million, two hundred seventy-three thousand, seven hundred".