31441403403101 has 4 divisors (see below), whose sum is σ = 31474958797212. Its totient is φ = 31407848008992.

The previous prime is 31441403403071. The next prime is 31441403403143. The reversal of 31441403403101 is 10130430414413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5812487028100 + 25628916375001 = 2410910^2 + 5062501^2 .

It is a cyclic number.

It is not a de Polignac number, because 31441403403101 - 2¹⁸ = 31441403140957 is a prime.

It is a super-2 number, since 2×31441403403101² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31441403403701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16777695650 + ... + 16777697523.

It is an arithmetic number, because the mean of its divisors is an integer number (7868739699303).

Almost surely, 2^{31441403403101} is an apocalyptic number.

It is an amenable number.

31441403403101 is a deficient number, since it is larger than the sum of its proper divisors (33555394111).

31441403403101 is an equidigital number, since it uses as much as digits as its factorization.

31441403403101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33555394110.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 31441403403101 its reverse (10130430414413), we get a palindrome (41571833817514).

The spelling of 31441403403101 in words is "thirty-one trillion, four hundred forty-one billion, four hundred three million, four hundred three thousand, one hundred one".