31023321441 has 48 divisors (see below), whose sum is σ = 48452152320. Its totient is φ = 17604894720.

The previous prime is 31023321421. The next prime is 31023321463. The reversal of 31023321441 is 14412332013.

It is a happy number.

It is not a de Polignac number, because 31023321441 - 2²⁵ = 30989767009 is a prime.

It is a super-2 number, since 2×31023321441² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31023321401) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14694976 + ... + 14697086.

It is an arithmetic number, because the mean of its divisors is an integer number (1009419840).

Almost surely, 2^31023321441 is an apocalyptic number.

It is an amenable number.

31023321441 is a deficient number, since it is larger than the sum of its proper divisors (17428830879).

31023321441 is a wasteful number, since it uses less digits than its factorization.

31023321441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2774 (or 2767 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 31023321441 its reverse (14412332013), we get a palindrome (45435653454).

The spelling of 31023321441 in words is "thirty-one billion, twenty-three million, three hundred twenty-one thousand, four hundred forty-one".