2011430142 has 48 divisors (see below), whose sum is σ = 4513646592. Its totient is φ = 646949520.

The previous prime is 2011430137. The next prime is 2011430143. The reversal of 2011430142 is 2410341102.

It is a super-2 number, since 2×2011430142² = 8091702432292280328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011430143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43323 + ... + 76809.

It is an arithmetic number, because the mean of its divisors is an integer number (94034304).

Almost surely, 2^2011430142 is an apocalyptic number.

2011430142 is an abundant number, since it is smaller than the sum of its proper divisors (2502216450).

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

2011430142 is a wasteful number, since it uses less digits than its factorization.

2011430142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33613 (or 33610 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2011430142 is about 44848.9703560740. The cubic root of 2011430142 is about 1262.3166713769.

Adding to 2011430142 its reverse (2410341102), we get a palindrome (4421771244).

The spelling of 2011430142 in words is "two billion, eleven million, four hundred thirty thousand, one hundred forty-two".