13402001431 has 8 divisors (see below), whose sum is σ = 16494771104. Its totient is φ = 10603781280.

The previous prime is 13402001423. The next prime is 13402001489. The reversal of 13402001431 is 13410020431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13402001431 - 2³ = 13402001423 is a prime.

It is a super-2 number, since 2×13402001431² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13402001399 and 13402001408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13402004431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73637280 + ... + 73637461.

It is an arithmetic number, because the mean of its divisors is an integer number (2061846388).

Almost surely, 2^13402001431 is an apocalyptic number.

13402001431 is a deficient number, since it is larger than the sum of its proper divisors (3092769673).

13402001431 is a wasteful number, since it uses less digits than its factorization.

13402001431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147274761.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13402001431 its reverse (13410020431), we get a palindrome (26812021862).

The spelling of 13402001431 in words is "thirteen billion, four hundred two million, one thousand, four hundred thirty-one".