31400420024024 has 8 divisors (see below), whose sum is σ = 58875787545060. Its totient is φ = 15700210012008.

The previous prime is 31400420023963. The next prime is 31400420024053. The reversal of 31400420024024 is 42042002400413.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 31400420023984 and 31400420024002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1962526251494 + ... + 1962526251509.

Almost surely, 2^{31400420024024} is an apocalyptic number.

It is an amenable number.

31400420024024 is a deficient number, since it is larger than the sum of its proper divisors (27475367521036).

31400420024024 is a wasteful number, since it uses less digits than its factorization.

31400420024024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3925052503009 (or 3925052503005 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 31400420024024 its reverse (42042002400413), we get a palindrome (73442422424437).

The spelling of 31400420024024 in words is "thirty-one trillion, four hundred billion, four hundred twenty million, twenty-four thousand, twenty-four".