20130022111031 has 8 divisors (see below), whose sum is σ = 24216567953280. Its totient is φ = 16346183368248.

The previous prime is 20130022111027. The next prime is 20130022111033. The reversal of 20130022111031 is 13011122003102.

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

It is a cyclic number.

It is not a de Polignac number, because 20130022111031 - 2² = 20130022111027 is a prime.

It is a super-2 number, since 2×20130022111031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130022111033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75676774721 + ... + 75676774986.

It is an arithmetic number, because the mean of its divisors is an integer number (3027070994160).

Almost surely, 2^{20130022111031} is an apocalyptic number.

20130022111031 is a deficient number, since it is larger than the sum of its proper divisors (4086545842249).

20130022111031 is a wasteful number, since it uses less digits than its factorization.

20130022111031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151353549733.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 20130022111031 its reverse (13011122003102), we get a palindrome (33141144114133).

The spelling of 20130022111031 in words is "twenty trillion, one hundred thirty billion, twenty-two million, one hundred eleven thousand, thirty-one".