535138031 has 2 divisors, whose sum is σ = 535138032. Its totient is φ = 535138030.

The previous prime is 535138003. The next prime is 535138049. The reversal of 535138031 is 130831535.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-535138031 is a prime.

It is a super-2 number, since 2×535138031² = 572745424445113922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 535137985 and 535138003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (535138081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267569015 + 267569016.

It is an arithmetic number, because the mean of its divisors is an integer number (267569016).

Almost surely, 2^535138031 is an apocalyptic number.

535138031 is a deficient number, since it is larger than the sum of its proper divisors (1).

535138031 is an equidigital number, since it uses as much as digits as its factorization.

535138031 is an odious number, because the sum of its binary digits is odd.

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

The square root of 535138031 is about 23133.0506202706. The cubic root of 535138031 is about 811.8739475883.

Adding to 535138031 its reverse (130831535), we get a palindrome (665969566).

The spelling of 535138031 in words is "five hundred thirty-five million, one hundred thirty-eight thousand, thirty-one".