340430221131 has 64 divisors (see below), whose sum is σ = 612809573376. Its totient is φ = 162341107200.

The previous prime is 340430221129. The next prime is 340430221177. The reversal of 340430221131 is 131122034043.

It is a happy number.

It is not a de Polignac number, because 340430221131 - 2¹ = 340430221129 is a prime.

It is a super-2 number, since 2×340430221131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (340430221111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 230385 + ... + 856701.

It is an arithmetic number, because the mean of its divisors is an integer number (9575149584).

Almost surely, 2^340430221131 is an apocalyptic number.

340430221131 is a deficient number, since it is larger than the sum of its proper divisors (272379352245).

340430221131 is a wasteful number, since it uses less digits than its factorization.

340430221131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626532.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 340430221131 its reverse (131122034043), we get a palindrome (471552255174).

The spelling of 340430221131 in words is "three hundred forty billion, four hundred thirty million, two hundred twenty-one thousand, one hundred thirty-one".