11442434031 has 64 divisors (see below), whose sum is σ = 20007398400. Its totient is φ = 6327393408.

The previous prime is 11442433987. The next prime is 11442434063. The reversal of 11442434031 is 13043424411.

11442434031 is a `hidden beast` number, since 1 + 14 + 4 + 243 + 403 + 1 = 666.

It is not a de Polignac number, because 11442434031 - 2¹⁵ = 11442401263 is a prime.

It is a super-2 number, since 2×11442434031² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 11442433986 and 11442434004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11442434231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 879385 + ... + 892301.

It is an arithmetic number, because the mean of its divisors is an integer number (312615600).

Almost surely, 2^11442434031 is an apocalyptic number.

11442434031 is a deficient number, since it is larger than the sum of its proper divisors (8564964369).

11442434031 is a wasteful number, since it uses less digits than its factorization.

11442434031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13085 (or 13079 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 11442434031 its reverse (13043424411), we get a palindrome (24485858442).

The spelling of 11442434031 in words is "eleven billion, four hundred forty-two million, four hundred thirty-four thousand, thirty-one".