2831142042 has 12 divisors (see below), whose sum is σ = 6134141130. Its totient is φ = 943714008.

The previous prime is 2831142031. The next prime is 2831142043. The reversal of 2831142042 is 2402411382.

It can be written as a sum of positive squares in only one way, i.e., 2556212481 + 274929561 = 50559^2 + 16581^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2831141997 and 2831142015.

It is not an unprimeable number, because it can be changed into a prime (2831142043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78642817 + ... + 78642852.

Almost surely, 2^2831142042 is an apocalyptic number.

2831142042 is an abundant number, since it is smaller than the sum of its proper divisors (3302999088).

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

2831142042 is a wasteful number, since it uses less digits than its factorization.

2831142042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157285677 (or 157285674 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 2831142042 is about 53208.4771629484. The cubic root of 2831142042 is about 1414.6659038835.

It can be divided in two parts, 283114 and 2042, that added together give a square (285156 = 534²).

The spelling of 2831142042 in words is "two billion, eight hundred thirty-one million, one hundred forty-two thousand, forty-two".