31404040413 has 8 divisors (see below), whose sum is σ = 43003731168. Its totient is φ = 20370188304.

The previous prime is 31404040411. The next prime is 31404040433.

31404040413 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 31404040413 - 2¹ = 31404040411 is a prime.

It is a super-2 number, since 2×31404040413² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31404040411) 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, 141459531 + ... + 141459752.

It is an arithmetic number, because the mean of its divisors is an integer number (5375466396).

Almost surely, 2^31404040413 is an apocalyptic number.

It is an amenable number.

31404040413 is a deficient number, since it is larger than the sum of its proper divisors (11599690755).

31404040413 is a wasteful number, since it uses less digits than its factorization.

31404040413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282919323.

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

It can be divided in two parts, 314040 and 40413, that added together give a palindrome (354453).

The spelling of 31404040413 in words is "thirty-one billion, four hundred four million, forty thousand, four hundred thirteen".