31451135011104 has 24 divisors (see below), whose sum is σ = 82559229404400. Its totient is φ = 10483711670336.

The previous prime is 31451135011073. The next prime is 31451135011129. The reversal of 31451135011104 is 40111053115413.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×31451135011104³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163807994754 + ... + 163807994945.

It is an arithmetic number, because the mean of its divisors is an integer number (3439967891850).

Almost surely, 2^{31451135011104} is an apocalyptic number.

It is an amenable number.

31451135011104 is an abundant number, since it is smaller than the sum of its proper divisors (51108094393296).

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

31451135011104 is a wasteful number, since it uses less digits than its factorization.

31451135011104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327615989712 (or 327615989704 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

Adding to 31451135011104 its reverse (40111053115413), we get a palindrome (71562188126517).

The spelling of 31451135011104 in words is "thirty-one trillion, four hundred fifty-one billion, one hundred thirty-five million, eleven thousand, one hundred four".