31343454341131 has 16 divisors (see below), whose sum is σ = 33469366613760. Its totient is φ = 29281244176800.

The previous prime is 31343454341113. The next prime is 31343454341137. The reversal of 31343454341131 is 13114345434313.

It is a cyclic number.

It is not a de Polignac number, because 31343454341131 - 2¹⁷ = 31343454210059 is a prime.

It is a super-2 number, since 2×31343454341131² (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 (31343454341137) 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, 11885656 + ... + 14281306.

It is an arithmetic number, because the mean of its divisors is an integer number (2091835413360).

Almost surely, 2^{31343454341131} is an apocalyptic number.

31343454341131 is a deficient number, since it is larger than the sum of its proper divisors (2125912272629).

31343454341131 is a wasteful number, since it uses less digits than its factorization.

31343454341131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2408946.

The product of its digits is 311040, while the sum is 40.

Adding to 31343454341131 its reverse (13114345434313), we get a palindrome (44457799775444).

The spelling of 31343454341131 in words is "thirty-one trillion, three hundred forty-three billion, four hundred fifty-four million, three hundred forty-one thousand, one hundred thirty-one".