42131232022 has 32 divisors (see below), whose sum is σ = 73141172640. Its totient is φ = 17988564480.

The previous prime is 42131231983. The next prime is 42131232023. The reversal of 42131232022 is 22023213124.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 42131231984 and 42131232002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42131232023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79708 + ... + 301024.

It is an arithmetic number, because the mean of its divisors is an integer number (2285661645).

Almost surely, 2^42131232022 is an apocalyptic number.

42131232022 is a deficient number, since it is larger than the sum of its proper divisors (31009940618).

42131232022 is a wasteful number, since it uses less digits than its factorization.

42131232022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221856.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 42131232022 its reverse (22023213124), we get a palindrome (64154445146).

The spelling of 42131232022 in words is "forty-two billion, one hundred thirty-one million, two hundred thirty-two thousand, twenty-two".