31162341343 has 32 divisors (see below), whose sum is σ = 36849254400. Its totient is φ = 25803194976.

The previous prime is 31162341319. The next prime is 31162341383. The reversal of 31162341343 is 34314326113.

It is a cyclic number.

It is not a de Polignac number, because 31162341343 - 2¹⁷ = 31162210271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31162341383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7273680 + ... + 7277962.

It is an arithmetic number, because the mean of its divisors is an integer number (1151539200).

Almost surely, 2^31162341343 is an apocalyptic number.

31162341343 is a deficient number, since it is larger than the sum of its proper divisors (5686913057).

31162341343 is a wasteful number, since it uses less digits than its factorization.

31162341343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4651.

The product of its digits is 15552, while the sum is 31.

Adding to 31162341343 its reverse (34314326113), we get a palindrome (65476667456).

The spelling of 31162341343 in words is "thirty-one billion, one hundred sixty-two million, three hundred forty-one thousand, three hundred forty-three".