20132100031 has 8 divisors (see below), whose sum is σ = 21223982304. Its totient is φ = 19058265600.

The previous prime is 20132100017. The next prime is 20132100041. The reversal of 20132100031 is 13000123102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20132100031 - 2⁷ = 20132099903 is a prime.

It is a super-2 number, since 2×20132100031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20132099984 and 20132100020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132100041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4509670 + ... + 4514131.

It is an arithmetic number, because the mean of its divisors is an integer number (2652997788).

Almost surely, 2^20132100031 is an apocalyptic number.

20132100031 is a deficient number, since it is larger than the sum of its proper divisors (1091882273).

20132100031 is an equidigital number, since it uses as much as digits as its factorization.

20132100031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9023921.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20132100031 its reverse (13000123102), we get a palindrome (33132223133).

The spelling of 20132100031 in words is "twenty billion, one hundred thirty-two million, one hundred thousand, thirty-one".