1031130310111 has 4 divisors (see below), whose sum is σ = 1124869429224. Its totient is φ = 937391191000.

The previous prime is 1031130310051. The next prime is 1031130310117. The reversal of 1031130310111 is 1110130311301.

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

It is not a de Polignac number, because 1031130310111 - 2²⁹ = 1030593439199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031130310117) 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, 46869559540 + ... + 46869559561.

It is an arithmetic number, because the mean of its divisors is an integer number (281217357306).

Almost surely, 2^{1031130310111} is an apocalyptic number.

1031130310111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1031130310111 is a deficient number, since it is larger than the sum of its proper divisors (93739119113).

1031130310111 is an equidigital number, since it uses as much as digits as its factorization.

1031130310111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93739119112.

The product of its (nonzero) digits is 27, while the sum is 16.

Adding to 1031130310111 its reverse (1110130311301), we get a palindrome (2141260621412).

The spelling of 1031130310111 in words is "one trillion, thirty-one billion, one hundred thirty million, three hundred ten thousand, one hundred eleven".