2311020143042 has 32 divisors (see below), whose sum is σ = 4000782627072. Its totient is φ = 992675369664.

The previous prime is 2311020142999. The next prime is 2311020143051. The reversal of 2311020143042 is 2403410201132.

It is a super-2 number, since 2×2311020143042² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 2311020142999 and 2311020143017.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52201958 + ... + 52246209.

It is an arithmetic number, because the mean of its divisors is an integer number (125024457096).

Almost surely, 2^{2311020143042} is an apocalyptic number.

2311020143042 is a deficient number, since it is larger than the sum of its proper divisors (1689762484030).

2311020143042 is a wasteful number, since it uses less digits than its factorization.

2311020143042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104448242.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2311020143042 its reverse (2403410201132), we get a palindrome (4714430344174).

The spelling of 2311020143042 in words is "two trillion, three hundred eleven billion, twenty million, one hundred forty-three thousand, forty-two".