4021423040131 has 32 divisors (see below), whose sum is σ = 4718921461760. Its totient is φ = 3355893763200.

The previous prime is 4021423040119. The next prime is 4021423040147. The reversal of 4021423040131 is 1310403241204.

It is a cyclic number.

It is not a de Polignac number, because 4021423040131 - 2¹⁹ = 4021422515843 is a prime.

It is a super-2 number, since 2×4021423040131² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4021423040096 and 4021423040105.

It is not an unprimeable number, because it can be changed into a prime (4021423010131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46080520 + ... + 46167706.

It is an arithmetic number, because the mean of its divisors is an integer number (147466295680).

Almost surely, 2^{4021423040131} is an apocalyptic number.

4021423040131 is a deficient number, since it is larger than the sum of its proper divisors (697498421629).

4021423040131 is a wasteful number, since it uses less digits than its factorization.

4021423040131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88355.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 4021423040131 its reverse (1310403241204), we get a palindrome (5331826281335).

The spelling of 4021423040131 in words is "four trillion, twenty-one billion, four hundred twenty-three million, forty thousand, one hundred thirty-one".