101112311031 has 8 divisors (see below), whose sum is σ = 138460101744. Its totient is φ = 65586363840.

The previous prime is 101112310991. The next prime is 101112311059. The reversal of 101112311031 is 130113211101.

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

It is not a de Polignac number, because 101112311031 - 2¹³ = 101112302839 is a prime.

It is a super-2 number, since 2×101112311031² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101112311031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101112311231) 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, 455460750 + ... + 455460971.

It is an arithmetic number, because the mean of its divisors is an integer number (17307512718).

Almost surely, 2^101112311031 is an apocalyptic number.

101112311031 is a deficient number, since it is larger than the sum of its proper divisors (37347790713).

101112311031 is an equidigital number, since it uses as much as digits as its factorization.

101112311031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910921761.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 101112311031 its reverse (130113211101), we get a palindrome (231225522132).

The spelling of 101112311031 in words is "one hundred one billion, one hundred twelve million, three hundred eleven thousand, thirty-one".