503212106531 has 2 divisors, whose sum is σ = 503212106532. Its totient is φ = 503212106530.

The previous prime is 503212106519. The next prime is 503212106563. The reversal of 503212106531 is 135601212305.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 503212106531 - 2³⁴ = 486032237347 is a prime.

It is a super-2 number, since 2×503212106531² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 503212106494 and 503212106503.

It is not a weakly prime, because it can be changed into another prime (503212109531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251606053265 + 251606053266.

It is an arithmetic number, because the mean of its divisors is an integer number (251606053266).

Almost surely, 2^503212106531 is an apocalyptic number.

503212106531 is a deficient number, since it is larger than the sum of its proper divisors (1).

503212106531 is an equidigital number, since it uses as much as digits as its factorization.

503212106531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 503212106531 its reverse (135601212305), we get a palindrome (638813318836).

The spelling of 503212106531 in words is "five hundred three billion, two hundred twelve million, one hundred six thousand, five hundred thirty-one".