5131687202 has 4 divisors (see below), whose sum is σ = 7697530806. Its totient is φ = 2565843600.

The previous prime is 5131687189. The next prime is 5131687241. The reversal of 5131687202 is 2027861315.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2027861315 = 5 ⋅405572263.

It can be written as a sum of positive squares in only one way, i.e., 2800632241 + 2331054961 = 52921^2 + 48281^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282921799 + ... + 1282921802.

Almost surely, 2^5131687202 is an apocalyptic number.

5131687202 is a deficient number, since it is larger than the sum of its proper divisors (2565843604).

5131687202 is a wasteful number, since it uses less digits than its factorization.

5131687202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2565843603.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 5131687202 is about 71635.7955354723. The cubic root of 5131687202 is about 1724.8581780204.

The spelling of 5131687202 in words is "five billion, one hundred thirty-one million, six hundred eighty-seven thousand, two hundred two".