1111020132031 has 4 divisors (see below), whose sum is σ = 1111194034200. Its totient is φ = 1110846229864.

The previous prime is 1111020132023. The next prime is 1111020132043. The reversal of 1111020132031 is 1302310201111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1111020132031 - 2³ = 1111020132023 is a prime.

It is a super-2 number, since 2×1111020132031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111020131996 and 1111020132014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111020132331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86941501 + ... + 86954278.

It is an arithmetic number, because the mean of its divisors is an integer number (277798508550).

Almost surely, 2^{1111020132031} is an apocalyptic number.

1111020132031 is a deficient number, since it is larger than the sum of its proper divisors (173902169).

1111020132031 is an equidigital number, since it uses as much as digits as its factorization.

1111020132031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173902168.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1111020132031 its reverse (1302310201111), we get a palindrome (2413330333142).

The spelling of 1111020132031 in words is "one trillion, one hundred eleven billion, twenty million, one hundred thirty-two thousand, thirty-one".