1011434031 has 12 divisors (see below), whose sum is σ = 1492045152. Its totient is φ = 659942496.

The previous prime is 1011434027. The next prime is 1011434041. The reversal of 1011434031 is 1304341101.

It is not a de Polignac number, because 1011434031 - 2² = 1011434027 is a prime.

It is a super-2 number, since 2×1011434031² = 2045997598129817922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1011433995 and 1011434013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011434041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1195126 + ... + 1195971.

It is an arithmetic number, because the mean of its divisors is an integer number (124337096).

Almost surely, 2^1011434031 is an apocalyptic number.

1011434031 is a deficient number, since it is larger than the sum of its proper divisors (480611121).

1011434031 is a wasteful number, since it uses less digits than its factorization.

1011434031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2391150 (or 2391147 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1011434031 is about 31803.0506555582. The cubic root of 1011434031 is about 1003.7969089034.

Adding to 1011434031 its reverse (1304341101), we get a palindrome (2315775132).

The spelling of 1011434031 in words is "one billion, eleven million, four hundred thirty-four thousand, thirty-one".