31230451134 has 24 divisors (see below), whose sum is σ = 67707990792. Its totient is φ = 10403686800.

The previous prime is 31230451129. The next prime is 31230451141. The reversal of 31230451134 is 43115403213.

It is a happy number.

31230451134 is a `hidden beast` number, since 312 + 304 + 5 + 11 + 34 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 31230451098 and 31230451107.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 508792 + ... + 566859.

It is an arithmetic number, because the mean of its divisors is an integer number (2821166283).

Almost surely, 2^31230451134 is an apocalyptic number.

31230451134 is an abundant number, since it is smaller than the sum of its proper divisors (36477539658).

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

31230451134 is a wasteful number, since it uses less digits than its factorization.

31230451134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077272 (or 1077269 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 31230451134 its reverse (43115403213), we get a palindrome (74345854347).

The spelling of 31230451134 in words is "thirty-one billion, two hundred thirty million, four hundred fifty-one thousand, one hundred thirty-four".