31402014404331 has 4 divisors (see below), whose sum is σ = 41869352539112. Its totient is φ = 20934676269552.

The previous prime is 31402014404287. The next prime is 31402014404339. The reversal of 31402014404331 is 13340441020413.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 31402014404331 - 2⁷ = 31402014404203 is a prime.

It is a super-2 number, since 2×31402014404331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31402014404339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5233669067386 + ... + 5233669067391.

It is an arithmetic number, because the mean of its divisors is an integer number (10467338134778).

Almost surely, 2^{31402014404331} is an apocalyptic number.

31402014404331 is a deficient number, since it is larger than the sum of its proper divisors (10467338134781).

31402014404331 is a wasteful number, since it uses less digits than its factorization.

31402014404331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10467338134780.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 31402014404331 its reverse (13340441020413), we get a palindrome (44742455424744).

The spelling of 31402014404331 in words is "thirty-one trillion, four hundred two billion, fourteen million, four hundred four thousand, three hundred thirty-one".