5212513031 has 4 divisors (see below), whose sum is σ = 5686377864. Its totient is φ = 4738648200.

The previous prime is 5212513027. The next prime is 5212513037. The reversal of 5212513031 is 1303152125.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5212513031 - 2² = 5212513027 is a prime.

It is a super-2 number, since 2×5212513031² = 54340584196689613922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5212512988 and 5212513006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5212513037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236932400 + ... + 236932421.

It is an arithmetic number, because the mean of its divisors is an integer number (1421594466).

Almost surely, 2^5212513031 is an apocalyptic number.

5212513031 is a deficient number, since it is larger than the sum of its proper divisors (473864833).

5212513031 is a wasteful number, since it uses less digits than its factorization.

5212513031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473864832.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 5212513031 is about 72197.7356362372. The cubic root of 5212513031 is about 1733.8667483755.

Adding to 5212513031 its reverse (1303152125), we get a palindrome (6515665156).

It can be divided in two parts, 52125 and 13031, that added together give a palindrome (65156).

The spelling of 5212513031 in words is "five billion, two hundred twelve million, five hundred thirteen thousand, thirty-one".