2231434401 has 16 divisors (see below), whose sum is σ = 3548120064. Its totient is φ = 1219665744.

The previous prime is 2231434393. The next prime is 2231434409. The reversal of 2231434401 is 1044341322.

It is an interprime number because it is at equal distance from previous prime (2231434393) and next prime (2231434409).

It is not a de Polignac number, because 2231434401 - 2³ = 2231434393 is a prime.

It is a super-3 number, since 3×2231434401³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231434409) 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, 2309491 + ... + 2310456.

It is an arithmetic number, because the mean of its divisors is an integer number (221757504).

Almost surely, 2^2231434401 is an apocalyptic number.

2231434401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2231434401 is a deficient number, since it is larger than the sum of its proper divisors (1316685663).

2231434401 is a wasteful number, since it uses less digits than its factorization.

2231434401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4619980.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2231434401 is about 47238.0609360715. The cubic root of 2231434401 is about 1306.7566174006.

Adding to 2231434401 its reverse (1044341322), we get a palindrome (3275775723).

The spelling of 2231434401 in words is "two billion, two hundred thirty-one million, four hundred thirty-four thousand, four hundred one".