424120154131 has 4 divisors (see below), whose sum is σ = 428492526952. Its totient is φ = 419747781312.

The previous prime is 424120154111. The next prime is 424120154167. The reversal of 424120154131 is 131451021424.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 424120154131 - 2⁵ = 424120154099 is a prime.

It is a super-2 number, since 2×424120154131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 424120154131.

It is not an unprimeable number, because it can be changed into a prime (424120154111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2186186265 + ... + 2186186458.

It is an arithmetic number, because the mean of its divisors is an integer number (107123131738).

Almost surely, 2^424120154131 is an apocalyptic number.

424120154131 is a deficient number, since it is larger than the sum of its proper divisors (4372372821).

424120154131 is an equidigital number, since it uses as much as digits as its factorization.

424120154131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4372372820.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 424120154131 its reverse (131451021424), we get a palindrome (555571175555).

The spelling of 424120154131 in words is "four hundred twenty-four billion, one hundred twenty million, one hundred fifty-four thousand, one hundred thirty-one".