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142332202231 = 302347083097
BaseRepresentation
bin1000010010001110101…
…0010000110011110111
3111121101101011000202121
42010203222100303313
54312444020432411
6145215253020411
713166060520502
oct2044352206367
9447341130677
10142332202231
11553a98aa1aa
1223702924707
1310563b0060b
146c63280139
153a80854571
hex2123a90cf7

142332202231 has 4 divisors (see below), whose sum is σ = 142379288352. Its totient is φ = 142285116112.

The previous prime is 142332202219. The next prime is 142332202261. The reversal of 142332202231 is 132202233241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132202233241 = 1310169402557.

It is a cyclic number.

It is not a de Polignac number, because 142332202231 - 29 = 142332201719 is a prime.

It is a super-2 number, since 2×1423322022312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142332202196 and 142332202205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142332202261) 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, 23538526 + ... + 23544571.

It is an arithmetic number, because the mean of its divisors is an integer number (35594822088).

Almost surely, 2142332202231 is an apocalyptic number.

142332202231 is a deficient number, since it is larger than the sum of its proper divisors (47086121).

142332202231 is an equidigital number, since it uses as much as digits as its factorization.

142332202231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47086120.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 142332202231 its reverse (132202233241), we get a palindrome (274534435472).

The spelling of 142332202231 in words is "one hundred forty-two billion, three hundred thirty-two million, two hundred two thousand, two hundred thirty-one".

Divisors: 1 3023 47083097 142332202231