5351321531 has 4 divisors (see below), whose sum is σ = 5358524592. Its totient is φ = 5344118472.

The previous prime is 5351321501. The next prime is 5351321561. The reversal of 5351321531 is 1351231535.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (5351321501) and next prime (5351321561).

It is a cyclic number.

It is not a de Polignac number, because 5351321531 - 2⁶ = 5351321467 is a prime.

It is a super-2 number, since 2×5351321531² = 57273284256288367922, 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 = 5351321494 and 5351321503.

It is not an unprimeable number, because it can be changed into a prime (5351321501) 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, 3600416 + ... + 3601901.

It is an arithmetic number, because the mean of its divisors is an integer number (1339631148).

Almost surely, 2^5351321531 is an apocalyptic number.

5351321531 is a deficient number, since it is larger than the sum of its proper divisors (7203061).

5351321531 is an equidigital number, since it uses as much as digits as its factorization.

5351321531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7203060.

The product of its digits is 6750, while the sum is 29.

The square root of 5351321531 is about 73152.7274337738. The cubic root of 5351321531 is about 1749.1229925092.

The spelling of 5351321531 in words is "five billion, three hundred fifty-one million, three hundred twenty-one thousand, five hundred thirty-one".