2013321001431 has 16 divisors (see below), whose sum is σ = 2842416935424. Its totient is φ = 1263224056704.

The previous prime is 2013321001429. The next prime is 2013321001493. The reversal of 2013321001431 is 1341001233102.

It is not a de Polignac number, because 2013321001431 - 2¹ = 2013321001429 is a prime.

It is a super-2 number, since 2×2013321001431² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2013321001398 and 2013321001407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013321001331) 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, 1292146 + ... + 2386688.

It is an arithmetic number, because the mean of its divisors is an integer number (177651058464).

Almost surely, 2^{2013321001431} is an apocalyptic number.

2013321001431 is a deficient number, since it is larger than the sum of its proper divisors (829095933993).

2013321001431 is a wasteful number, since it uses less digits than its factorization.

2013321001431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130630.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2013321001431 its reverse (1341001233102), we get a palindrome (3354322234533).

The spelling of 2013321001431 in words is "two trillion, thirteen billion, three hundred twenty-one million, one thousand, four hundred thirty-one".