31404404312241 has 16 divisors (see below), whose sum is σ = 42312166600704. Its totient is φ = 20717580150864.

The previous prime is 31404404312227. The next prime is 31404404312251. The reversal of 31404404312241 is 14221340440413.

It is a happy number.

It is not a de Polignac number, because 31404404312241 - 2²¹ = 31404402215089 is a prime.

It is a super-2 number, since 2×31404404312241² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31404404312221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140434111 + ... + 140657556.

It is an arithmetic number, because the mean of its divisors is an integer number (2644510412544).

Almost surely, 2^{31404404312241} is an apocalyptic number.

It is an amenable number.

31404404312241 is a deficient number, since it is larger than the sum of its proper divisors (10907762288463).

31404404312241 is a wasteful number, since it uses less digits than its factorization.

31404404312241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281092060.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 31404404312241 its reverse (14221340440413), we get a palindrome (45625744752654).

The spelling of 31404404312241 in words is "thirty-one trillion, four hundred four billion, four hundred four million, three hundred twelve thousand, two hundred forty-one".