1011431114430 has 96 divisors (see below), whose sum is σ = 2669205353472. Its totient is φ = 245100461760.

The previous prime is 1011431114423. The next prime is 1011431114437. The reversal of 1011431114430 is 344111341101.

It is an interprime number because it is at equal distance from previous prime (1011431114423) and next prime (1011431114437).

It is a super-2 number, since 2×1011431114430² (a number of 25 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 1011431114430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011431114437) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9555979 + ... + 9661241.

It is an arithmetic number, because the mean of its divisors is an integer number (27804222432).

Almost surely, 2^{1011431114430} is an apocalyptic number.

1011431114430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011431114430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1334602676736).

1011431114430 is an abundant number, since it is smaller than the sum of its proper divisors (1657774239042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011431114430 is a wasteful number, since it uses less digits than its factorization.

1011431114430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107942 (or 107931 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 1011431114430 its reverse (344111341101), we get a palindrome (1355542455531).

The spelling of 1011431114430 in words is "one trillion, eleven billion, four hundred thirty-one million, one hundred fourteen thousand, four hundred thirty".