31441011121 has 16 divisors (see below), whose sum is σ = 35658427840. Its totient is φ = 27482016960.

The previous prime is 31441011073. The next prime is 31441011149. The reversal of 31441011121 is 12111014413.

It is a cyclic number.

It is not a de Polignac number, because 31441011121 - 2⁹ = 31441010609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (31441011191) 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, 515251 + ... + 573031.

It is an arithmetic number, because the mean of its divisors is an integer number (2228651740).

Almost surely, 2^31441011121 is an apocalyptic number.

It is an amenable number.

31441011121 is a deficient number, since it is larger than the sum of its proper divisors (4217416719).

31441011121 is a wasteful number, since it uses less digits than its factorization.

31441011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60016.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 31441011121 its reverse (12111014413), we get a palindrome (43552025534).

The spelling of 31441011121 in words is "thirty-one billion, four hundred forty-one million, eleven thousand, one hundred twenty-one".