511342101 has 6 divisors (see below), whose sum is σ = 738605270. Its totient is φ = 340894728.

The previous prime is 511342087. The next prime is 511342103. The reversal of 511342101 is 101243115.

It can be written as a sum of positive squares in only one way, i.e., 289034001 + 222308100 = 17001^2 + 14910^2 .

It is not a de Polignac number, because 511342101 - 2⁷ = 511341973 is a prime.

It is a super-2 number, since 2×511342101² = 522941488510188402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511342103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28407886 + ... + 28407903.

Almost surely, 2^511342101 is an apocalyptic number.

It is an amenable number.

511342101 is a deficient number, since it is larger than the sum of its proper divisors (227263169).

511342101 is a wasteful number, since it uses less digits than its factorization.

511342101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56815795 (or 56815792 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 511342101 is about 22612.8746735129. The cubic root of 511342101 is about 799.6571973998.

Adding to 511342101 its reverse (101243115), we get a palindrome (612585216).

It can be divided in two parts, 51134 and 2101, that added together give a palindrome (53235).

The spelling of 511342101 in words is "five hundred eleven million, three hundred forty-two thousand, one hundred one".