7131700388 has 24 divisors (see below), whose sum is σ = 13150845120. Its totient is φ = 3374701920.

The previous prime is 7131700361. The next prime is 7131700393. The reversal of 7131700388 is 8830071317.

It is a super-2 number, since 2×7131700388² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26978 + ... + 122438.

It is an arithmetic number, because the mean of its divisors is an integer number (547951880).

Almost surely, 2^7131700388 is an apocalyptic number.

It is an amenable number.

7131700388 is a deficient number, since it is larger than the sum of its proper divisors (6019144732).

7131700388 is a wasteful number, since it uses less digits than its factorization.

7131700388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96467 (or 96465 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 7131700388 is about 84449.3954270840. The cubic root of 7131700388 is about 1924.8535684871.

The spelling of 7131700388 in words is "seven billion, one hundred thirty-one million, seven hundred thousand, three hundred eighty-eight".