634026031 has 2 divisors, whose sum is σ = 634026032. Its totient is φ = 634026030.

The previous prime is 634026023. The next prime is 634026053. The reversal of 634026031 is 130620436.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 634026031 - 2³ = 634026023 is a prime.

It is a super-2 number, since 2×634026031² = 803978015971225922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 634025987 and 634026005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (634026431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317013015 + 317013016.

It is an arithmetic number, because the mean of its divisors is an integer number (317013016).

Almost surely, 2^634026031 is an apocalyptic number.

634026031 is a deficient number, since it is larger than the sum of its proper divisors (1).

634026031 is an equidigital number, since it uses as much as digits as its factorization.

634026031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 634026031 is about 25179.8735302622. The cubic root of 634026031 is about 859.0841299883.

Adding to 634026031 its reverse (130620436), we get a palindrome (764646467).

The spelling of 634026031 in words is "six hundred thirty-four million, twenty-six thousand, thirty-one".