31230100111 has 8 divisors (see below), whose sum is σ = 35707019040. Its totient is φ = 26757050208.

The previous prime is 31230100067. The next prime is 31230100127. The reversal of 31230100111 is 11100103213.

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

It is not a de Polignac number, because 31230100111 - 2⁷ = 31230099983 is a prime.

It is a super-3 number, since 3×31230100111³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31230100091 and 31230100100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31230100151) 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, 949936 + ... + 982261.

It is an arithmetic number, because the mean of its divisors is an integer number (4463377380).

Almost surely, 2^31230100111 is an apocalyptic number.

31230100111 is a deficient number, since it is larger than the sum of its proper divisors (4476918929).

31230100111 is a wasteful number, since it uses less digits than its factorization.

31230100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934513.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 31230100111 its reverse (11100103213), we get a palindrome (42330203324).

The spelling of 31230100111 in words is "thirty-one billion, two hundred thirty million, one hundred thousand, one hundred eleven".