632642100031 has 2 divisors, whose sum is σ = 632642100032. Its totient is φ = 632642100030.

The previous prime is 632642099993. The next prime is 632642100059. The reversal of 632642100031 is 130001246236.

It is an a-pointer prime, because the next prime (632642100059) can be obtained adding 632642100031 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 632642100031 - 2¹³ = 632642091839 is a prime.

It is a super-2 number, since 2×632642100031² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (632642170031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316321050015 + 316321050016.

It is an arithmetic number, because the mean of its divisors is an integer number (316321050016).

Almost surely, 2^632642100031 is an apocalyptic number.

632642100031 is a deficient number, since it is larger than the sum of its proper divisors (1).

632642100031 is an equidigital number, since it uses as much as digits as its factorization.

632642100031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 632642100031 its reverse (130001246236), we get a palindrome (762643346267).

The spelling of 632642100031 in words is "six hundred thirty-two billion, six hundred forty-two million, one hundred thousand, thirty-one".