20130231134422 has 8 divisors (see below), whose sum is σ = 30559146059736. Its totient is φ = 9943849114512.

The previous prime is 20130231134413. The next prime is 20130231134483. The reversal of 20130231134422 is 22443113203102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 60633226143 + ... + 60633226474.

It is an arithmetic number, because the mean of its divisors is an integer number (3819893257467).

Almost surely, 2^{20130231134422} is an apocalyptic number.

20130231134422 is a deficient number, since it is larger than the sum of its proper divisors (10428914925314).

20130231134422 is a wasteful number, since it uses less digits than its factorization.

20130231134422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121266452702.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 20130231134422 its reverse (22443113203102), we get a palindrome (42573344337524).

The spelling of 20130231134422 in words is "twenty trillion, one hundred thirty billion, two hundred thirty-one million, one hundred thirty-four thousand, four hundred twenty-two".