31433013442434 has 16 divisors (see below), whose sum is σ = 62866141652160. Its totient is φ = 10477652019600.

The previous prime is 31433013442423. The next prime is 31433013442463. The reversal of 31433013442434 is 43424431033413.

It is a junction number, because it is equal to n+sod(n) for n = 31433013442392 and 31433013442401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 990189 + ... + 7990400.

It is an arithmetic number, because the mean of its divisors is an integer number (3929133853260).

Almost surely, 2^{31433013442434} is an apocalyptic number.

31433013442434 is an abundant number, since it is smaller than the sum of its proper divisors (31433128209726).

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

31433013442434 is a wasteful number, since it uses less digits than its factorization.

31433013442434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9563945.

The product of its (nonzero) digits is 497664, while the sum is 39.

Adding to 31433013442434 its reverse (43424431033413), we get a palindrome (74857444475847).

The spelling of 31433013442434 in words is "thirty-one trillion, four hundred thirty-three billion, thirteen million, four hundred forty-two thousand, four hundred thirty-four".