7131001501 has 8 divisors (see below), whose sum is σ = 7680218840. Its totient is φ = 6581881152.

The previous prime is 7131001499. The next prime is 7131001513. The reversal of 7131001501 is 1051001317.

It can be written as a sum of positive squares in 4 ways, for example, as 39677401 + 7091324100 = 6299^2 + 84210^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7131001501 - 2¹ = 7131001499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7131001531) 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, 218611 + ... + 249103.

It is an arithmetic number, because the mean of its divisors is an integer number (960027355).

Almost surely, 2^7131001501 is an apocalyptic number.

It is an amenable number.

7131001501 is a deficient number, since it is larger than the sum of its proper divisors (549217339).

7131001501 is a wasteful number, since it uses less digits than its factorization.

7131001501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48495.

The product of its (nonzero) digits is 105, while the sum is 19.

The square root of 7131001501 is about 84445.2574215983. The cubic root of 7131001501 is about 1924.7906896499.

Adding to 7131001501 its reverse (1051001317), we get a palindrome (8182002818).

The spelling of 7131001501 in words is "seven billion, one hundred thirty-one million, one thousand, five hundred one".