5131133502 has 192 divisors, whose sum is σ = 12502425600. Its totient is φ = 1397088000.

The previous prime is 5131133479. The next prime is 5131133507. The reversal of 5131133502 is 2053311315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5131133507) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 40402563 + ... + 40402689.

It is an arithmetic number, because the mean of its divisors is an integer number (65116800).

Almost surely, 2^5131133502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5131133502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6251212800).

5131133502 is an abundant number, since it is smaller than the sum of its proper divisors (7371292098).

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

5131133502 is a wasteful number, since it uses less digits than its factorization.

5131133502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 5131133502 is about 71631.9307432098. The cubic root of 5131133502 is about 1724.7961394038.

Adding to 5131133502 its reverse (2053311315), we get a palindrome (7184444817).

It can be divided in two parts, 513113 and 3502, that added together give a palindrome (516615).

The spelling of 5131133502 in words is "five billion, one hundred thirty-one million, one hundred thirty-three thousand, five hundred two".