111020030431 has 8 divisors (see below), whose sum is σ = 114026206320. Its totient is φ = 108014151168.

The previous prime is 111020030417. The next prime is 111020030447. The reversal of 111020030431 is 134030020111.

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 111020030431 - 2¹⁵ = 111019997663 is a prime.

It is a super-2 number, since 2×111020030431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111020030411) 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, 832575 + ... + 956671.

It is an arithmetic number, because the mean of its divisors is an integer number (14253275790).

Almost surely, 2^111020030431 is an apocalyptic number.

111020030431 is a deficient number, since it is larger than the sum of its proper divisors (3006175889).

111020030431 is a wasteful number, since it uses less digits than its factorization.

111020030431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148313.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 111020030431 its reverse (134030020111), we get a palindrome (245050050542).

The spelling of 111020030431 in words is "one hundred eleven billion, twenty million, thirty thousand, four hundred thirty-one".