344202144540131 has 4 divisors (see below), whose sum is σ = 352206845575992. Its totient is φ = 336197443504272.

The previous prime is 344202144540119. The next prime is 344202144540299. The reversal of 344202144540131 is 131045441202443.

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

It is a cyclic number.

It is not a de Polignac number, because 344202144540131 - 2¹⁸ = 344202144277987 is a prime.

It is a super-2 number, since 2×344202144540131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344202144540431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4002350517866 + ... + 4002350517951.

It is an arithmetic number, because the mean of its divisors is an integer number (88051711393998).

Almost surely, 2^{344202144540131} is an apocalyptic number.

344202144540131 is a deficient number, since it is larger than the sum of its proper divisors (8004701035861).

344202144540131 is an equidigital number, since it uses as much as digits as its factorization.

344202144540131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8004701035860.

The product of its (nonzero) digits is 184320, while the sum is 38.

Adding to 344202144540131 its reverse (131045441202443), we get a palindrome (475247585742574).

The spelling of 344202144540131 in words is "three hundred forty-four trillion, two hundred two billion, one hundred forty-four million, five hundred forty thousand, one hundred thirty-one".