31421030444104 has 16 divisors (see below), whose sum is σ = 67330779523200. Its totient is φ = 13466155904592.

The previous prime is 31421030444101. The next prime is 31421030444107. The reversal of 31421030444104 is 40144403012413.

It is an interprime number because it is at equal distance from previous prime (31421030444101) and next prime (31421030444107).

It is a super-2 number, since 2×31421030444104² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31421030444101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280544914624 + ... + 280544914735.

It is an arithmetic number, because the mean of its divisors is an integer number (4208173720200).

Almost surely, 2^{31421030444104} is an apocalyptic number.

It is an amenable number.

31421030444104 is an abundant number, since it is smaller than the sum of its proper divisors (35909749079096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31421030444104 is a wasteful number, since it uses less digits than its factorization.

31421030444104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561089829372 (or 561089829368 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 31421030444104 its reverse (40144403012413), we get a palindrome (71565433456517).

The spelling of 31421030444104 in words is "thirty-one trillion, four hundred twenty-one billion, thirty million, four hundred forty-four thousand, one hundred four".