7133501531 has 8 divisors (see below), whose sum is σ = 8086560720. Its totient is φ = 6238203552.

The previous prime is 7133501521. The next prime is 7133501539. The reversal of 7133501531 is 1351053317.

It is a happy number.

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 7133501531 - 2¹⁴ = 7133485147 is a prime.

It is a super-2 number, since 2×7133501531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7133501494 and 7133501503.

It is not an unprimeable number, because it can be changed into a prime (7133501539) 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, 14440040 + ... + 14440533.

It is an arithmetic number, because the mean of its divisors is an integer number (1010820090).

Almost surely, 2^7133501531 is an apocalyptic number.

7133501531 is a deficient number, since it is larger than the sum of its proper divisors (953059189).

7133501531 is a wasteful number, since it uses less digits than its factorization.

7133501531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28880605.

The product of its (nonzero) digits is 4725, while the sum is 29.

The square root of 7133501531 is about 84460.0587911233. The cubic root of 7133501531 is about 1925.0155983219.

Adding to 7133501531 its reverse (1351053317), we get a palindrome (8484554848).

The spelling of 7133501531 in words is "seven billion, one hundred thirty-three million, five hundred one thousand, five hundred thirty-one".