31440300101 has 4 divisors (see below), whose sum is σ = 35931771552. Its totient is φ = 26948828652.

The previous prime is 31440300079. The next prime is 31440300119. The reversal of 31440300101 is 10100304413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10100304413 = 76303 ⋅132371.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31440300101 is a prime.

It is a super-2 number, since 2×31440300101² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 31440300101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31440300401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2245735715 + ... + 2245735728.

It is an arithmetic number, because the mean of its divisors is an integer number (8982942888).

Almost surely, 2^31440300101 is an apocalyptic number.

It is an amenable number.

31440300101 is a deficient number, since it is larger than the sum of its proper divisors (4491471451).

31440300101 is an equidigital number, since it uses as much as digits as its factorization.

31440300101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4491471450.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 31440300101 its reverse (10100304413), we get a palindrome (41540604514).

The spelling of 31440300101 in words is "thirty-one billion, four hundred forty million, three hundred thousand, one hundred one".