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342503131 = 1726597577
BaseRepresentation
bin10100011010100…
…010111011011011
3212212110221222011
4110122202323123
51200140100011
653553010351
711326141255
oct2432427333
9785427864
10342503131
11166374743
12968539b7
1355c5ca99
14336b8cd5
1520107621
hex146a2edb

342503131 has 8 divisors (see below), whose sum is σ = 362834640. Its totient is φ = 322192128.

The previous prime is 342503111. The next prime is 342503141. The reversal of 342503131 is 131305243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 342503131 - 221 = 340405979 is a prime.

It is a super-2 number, since 2×3425031312 = 234616789489606322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342503111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41415 + ... + 48991.

It is an arithmetic number, because the mean of its divisors is an integer number (45354330).

Almost surely, 2342503131 is an apocalyptic number.

342503131 is a deficient number, since it is larger than the sum of its proper divisors (20331509).

342503131 is a wasteful number, since it uses less digits than its factorization.

342503131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10253.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 342503131 is about 18506.8401138606. The cubic root of 342503131 is about 699.6618305344.

Adding to 342503131 its reverse (131305243), we get a palindrome (473808374).

The spelling of 342503131 in words is "three hundred forty-two million, five hundred three thousand, one hundred thirty-one".

Divisors: 1 17 2659 7577 45203 128809 20147243 342503131