4013231304121 has 16 divisors (see below), whose sum is σ = 4524841056960. Its totient is φ = 3533685341760.

The previous prime is 4013231304083. The next prime is 4013231304127. The reversal of 4013231304121 is 1214031323104.

It is a cyclic number.

It is not a de Polignac number, because 4013231304121 - 2²¹ = 4013229206969 is a prime.

It is a super-2 number, since 2×4013231304121² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4013231304127) 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, 64096275 + ... + 64158856.

It is an arithmetic number, because the mean of its divisors is an integer number (282802566060).

Almost surely, 2^{4013231304121} is an apocalyptic number.

It is an amenable number.

4013231304121 is a deficient number, since it is larger than the sum of its proper divisors (511609752839).

4013231304121 is a wasteful number, since it uses less digits than its factorization.

4013231304121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128255256.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 4013231304121 its reverse (1214031323104), we get a palindrome (5227262627225).

The spelling of 4013231304121 in words is "four trillion, thirteen billion, two hundred thirty-one million, three hundred four thousand, one hundred twenty-one".