2031142323402 has 24 divisors (see below), whose sum is σ = 4400853889536. Its totient is φ = 677040437736.

The previous prime is 2031142323389. The next prime is 2031142323421. The reversal of 2031142323402 is 2043232411302.

2031142323402 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 1 + 423 + 234 + 0 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1384173 + ... + 2445039.

It is an arithmetic number, because the mean of its divisors is an integer number (183368912064).

Almost surely, 2^{2031142323402} is an apocalyptic number.

2031142323402 is an abundant number, since it is smaller than the sum of its proper divisors (2369711566134).

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

2031142323402 is a wasteful number, since it uses less digits than its factorization.

2031142323402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167242 (or 1167239 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 2031142323402 its reverse (2043232411302), we get a palindrome (4074374734704).

The spelling of 2031142323402 in words is "two trillion, thirty-one billion, one hundred forty-two million, three hundred twenty-three thousand, four hundred two".