31443232134 has 16 divisors (see below), whose sum is σ = 62894887488. Its totient is φ = 10479673512.

The previous prime is 31443232099. The next prime is 31443232187. The reversal of 31443232134 is 43123234413.

It is a happy number.

It is a super-2 number, since 2×31443232134² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 301912 + ... + 392475.

It is an arithmetic number, because the mean of its divisors is an integer number (3930930468).

Almost surely, 2^31443232134 is an apocalyptic number.

31443232134 is an abundant number, since it is smaller than the sum of its proper divisors (31451655354).

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

31443232134 is a wasteful number, since it uses less digits than its factorization.

31443232134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701939.

The product of its digits is 20736, while the sum is 30.

Adding to 31443232134 its reverse (43123234413), we get a palindrome (74566466547).

The spelling of 31443232134 in words is "thirty-one billion, four hundred forty-three million, two hundred thirty-two thousand, one hundred thirty-four".