1031001401111 has 16 divisors (see below), whose sum is σ = 1127567831040. Its totient is φ = 934908765120.

The previous prime is 1031001401077. The next prime is 1031001401173. The reversal of 1031001401111 is 1111041001301.

It is a happy number.

1031001401111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1031001401111 - 2¹⁰ = 1031001400087 is a prime.

It is a super-2 number, since 2×1031001401111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031001401191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54851531 + ... + 54870323.

It is an arithmetic number, because the mean of its divisors is an integer number (70472989440).

Almost surely, 2^{1031001401111} is an apocalyptic number.

1031001401111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1031001401111 is a deficient number, since it is larger than the sum of its proper divisors (96566429929).

1031001401111 is a wasteful number, since it uses less digits than its factorization.

1031001401111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31126.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 1031001401111 its reverse (1111041001301), we get a palindrome (2142042402412).

The spelling of 1031001401111 in words is "one trillion, thirty-one billion, one million, four hundred one thousand, one hundred eleven".