31140004012351 has 16 divisors (see below), whose sum is σ = 35515568642400. Its totient is φ = 27048037413888.

The previous prime is 31140004012333. The next prime is 31140004012387. The reversal of 31140004012351 is 15321040004113.

It is a cyclic number.

It is not a de Polignac number, because 31140004012351 - 2¹¹ = 31140004010303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31140004042351) 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, 13852861 + ... + 15943078.

It is an arithmetic number, because the mean of its divisors is an integer number (2219723040150).

Almost surely, 2^{31140004012351} is an apocalyptic number.

31140004012351 is a deficient number, since it is larger than the sum of its proper divisors (4375564630049).

31140004012351 is a wasteful number, since it uses less digits than its factorization.

31140004012351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29800698.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 31140004012351 its reverse (15321040004113), we get a palindrome (46461044016464).

The spelling of 31140004012351 in words is "thirty-one trillion, one hundred forty billion, four million, twelve thousand, three hundred fifty-one".