340100145431 has 4 divisors (see below), whose sum is σ = 340148551512. Its totient is φ = 340051739352.

The previous prime is 340100145421. The next prime is 340100145433. The reversal of 340100145431 is 134541001043.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340100145431 is a prime.

It is a super-2 number, since 2×340100145431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340100145431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340100145433) 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, 24192500 + ... + 24206553.

It is an arithmetic number, because the mean of its divisors is an integer number (85037137878).

Almost surely, 2^340100145431 is an apocalyptic number.

340100145431 is a deficient number, since it is larger than the sum of its proper divisors (48406081).

340100145431 is an equidigital number, since it uses as much as digits as its factorization.

340100145431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48406080.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 340100145431 its reverse (134541001043), we get a palindrome (474641146474).

The spelling of 340100145431 in words is "three hundred forty billion, one hundred million, one hundred forty-five thousand, four hundred thirty-one".