31044140453 has 8 divisors (see below), whose sum is σ = 32874335640. Its totient is φ = 29214397440.

The previous prime is 31044140431. The next prime is 31044140459. The reversal of 31044140453 is 35404144013.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8071584964 + 22972555489 = 89842^2 + 151567^2 .

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 31044140453 - 2¹⁰ = 31044139429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31044140459) 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, 33773 + ... + 251453.

It is an arithmetic number, because the mean of its divisors is an integer number (4109291955).

Almost surely, 2^31044140453 is an apocalyptic number.

It is an amenable number.

31044140453 is a deficient number, since it is larger than the sum of its proper divisors (1830195187).

31044140453 is a wasteful number, since it uses less digits than its factorization.

31044140453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226087.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 31044140453 its reverse (35404144013), we get a palindrome (66448284466).

The spelling of 31044140453 in words is "thirty-one billion, forty-four million, one hundred forty thousand, four hundred fifty-three".