31144202341 has 16 divisors (see below), whose sum is σ = 36541071360. Its totient is φ = 25990207920.

The previous prime is 31144202321. The next prime is 31144202371. The reversal of 31144202341 is 14320244113.

It is a cyclic number.

It is not a de Polignac number, because 31144202341 - 2²⁷ = 31009984613 is a prime.

It is a super-2 number, since 2×31144202341² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31144202321) 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, 184971 + ... + 310648.

It is an arithmetic number, because the mean of its divisors is an integer number (2283816960).

Almost surely, 2^31144202341 is an apocalyptic number.

It is an amenable number.

31144202341 is a deficient number, since it is larger than the sum of its proper divisors (5396869019).

31144202341 is a wasteful number, since it uses less digits than its factorization.

31144202341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495864.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 31144202341 its reverse (14320244113), we get a palindrome (45464446454).

The spelling of 31144202341 in words is "thirty-one billion, one hundred forty-four million, two hundred two thousand, three hundred forty-one".