2001131403407 has 2 divisors, whose sum is σ = 2001131403408. Its totient is φ = 2001131403406.

The previous prime is 2001131403373. The next prime is 2001131403449. The reversal of 2001131403407 is 7043041311002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2001131403407 - 2⁶ = 2001131403343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001131403707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000565701703 + 1000565701704.

It is an arithmetic number, because the mean of its divisors is an integer number (1000565701704).

Almost surely, 2^{2001131403407} is an apocalyptic number.

2001131403407 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001131403407 is an equidigital number, since it uses as much as digits as its factorization.

2001131403407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

Adding to 2001131403407 its reverse (7043041311002), we get a palindrome (9044172714409).

The spelling of 2001131403407 in words is "two trillion, one billion, one hundred thirty-one million, four hundred three thousand, four hundred seven".