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3401540231 = 7094797659
BaseRepresentation
bin1100101010111111…
…0110001010000111
322210001121010222112
43022233312022013
523431243241411
61321310451235
7150202420625
oct31257661207
98701533875
103401540231
111496098581
127ab203b1b
13422944bcb
14243a8c515
1514d95db8b
hexcabf6287

3401540231 has 4 divisors (see below), whose sum is σ = 3406338600. Its totient is φ = 3396741864.

The previous prime is 3401540179. The next prime is 3401540243. The reversal of 3401540231 is 1320451043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1320451043 = 4132206123.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3401540231 is a prime.

It is a super-2 number, since 2×34015402312 = 23140951886223066722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3401540197 and 3401540206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3401540281) 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, 2398121 + ... + 2399538.

It is an arithmetic number, because the mean of its divisors is an integer number (851584650).

Almost surely, 23401540231 is an apocalyptic number.

3401540231 is a deficient number, since it is larger than the sum of its proper divisors (4798369).

3401540231 is an equidigital number, since it uses as much as digits as its factorization.

3401540231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4798368.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 3401540231 is about 58322.7248248914. The cubic root of 3401540231 is about 1503.9216243806.

Adding to 3401540231 its reverse (1320451043), we get a palindrome (4721991274).

The spelling of 3401540231 in words is "three billion, four hundred one million, five hundred forty thousand, two hundred thirty-one".

Divisors: 1 709 4797659 3401540231