20231098631 has 2 divisors, whose sum is σ = 20231098632. Its totient is φ = 20231098630.

The previous prime is 20231098583. The next prime is 20231098649. The reversal of 20231098631 is 13689013202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20231098631 - 2⁶ = 20231098567 is a prime.

It is a super-2 number, since 2×20231098631² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20231098591 and 20231098600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20231098031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10115549315 + 10115549316.

It is an arithmetic number, because the mean of its divisors is an integer number (10115549316).

Almost surely, 2^20231098631 is an apocalyptic number.

20231098631 is a deficient number, since it is larger than the sum of its proper divisors (1).

20231098631 is an equidigital number, since it uses as much as digits as its factorization.

20231098631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 20231098631 in words is "twenty billion, two hundred thirty-one million, ninety-eight thousand, six hundred thirty-one".