2431311401 has 4 divisors (see below), whose sum is σ = 2432646912. Its totient is φ = 2429975892.

The previous prime is 2431311391. The next prime is 2431311409. The reversal of 2431311401 is 1041131342.

2431311401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2431311401 - 2²⁶ = 2364202537 is a prime.

It is a super-2 number, since 2×2431311401² = 11822550257265165602, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2431311409) 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, 665021 + ... + 668666.

It is an arithmetic number, because the mean of its divisors is an integer number (608161728).

Almost surely, 2^2431311401 is an apocalyptic number.

It is an amenable number.

2431311401 is a deficient number, since it is larger than the sum of its proper divisors (1335511).

2431311401 is a wasteful number, since it uses less digits than its factorization.

2431311401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335510.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2431311401 is about 49308.3299352148. The cubic root of 2431311401 is about 1344.6632289787.

Adding to 2431311401 its reverse (1041131342), we get a palindrome (3472442743).

The spelling of 2431311401 in words is "two billion, four hundred thirty-one million, three hundred eleven thousand, four hundred one".