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10342143231 = 371992474789
BaseRepresentation
bin10011010000111000…
…01001010011111111
3222200202120022101220
421220130021103333
5132140042040411
64430124004423
7514200524040
oct115034112377
928622508356
1010342143231
114427963312
122007690713
13c8a8524a4
147017868c7
15407e43b06
hex2687094ff

10342143231 has 16 divisors (see below), whose sum is σ = 15838656000. Its totient is φ = 5880096288.

The previous prime is 10342143221. The next prime is 10342143257. The reversal of 10342143231 is 13234124301.

It is a happy number.

It is not a de Polignac number, because 10342143231 - 25 = 10342143199 is a prime.

It is a super-2 number, since 2×103421432312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10342143221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1233216 + ... + 1241573.

It is an arithmetic number, because the mean of its divisors is an integer number (989916000).

Almost surely, 210342143231 is an apocalyptic number.

10342143231 is a deficient number, since it is larger than the sum of its proper divisors (5496512769).

10342143231 is a wasteful number, since it uses less digits than its factorization.

10342143231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2474998.

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

Adding to 10342143231 its reverse (13234124301), we get a palindrome (23576267532).

The spelling of 10342143231 in words is "ten billion, three hundred forty-two million, one hundred forty-three thousand, two hundred thirty-one".

Divisors: 1 3 7 21 199 597 1393 4179 2474789 7424367 17323523 51970569 492483011 1477449033 3447381077 10342143231