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234231402131 = 972414756723
BaseRepresentation
bin1101101000100101000…
…1111000111010010011
3211101120222201002100222
43122021101320322103
512314201214332011
6255334315503255
722631321032136
oct3321121707223
9741528632328
10234231402131
119037857a291
123948b757b2b
131911b2361cc
14b4a04b821d
15615d7d1ddb
hex3689478e93

234231402131 has 4 divisors (see below), whose sum is σ = 236646158952. Its totient is φ = 231816645312.

The previous prime is 234231402113. The next prime is 234231402157. The reversal of 234231402131 is 131204132432.

234231402131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 234231402131 - 234 = 217051532947 is a prime.

It is a super-2 number, since 2×2342314021312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 234231402131.

It is not an unprimeable number, because it can be changed into a prime (234231402191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1207378265 + ... + 1207378458.

It is an arithmetic number, because the mean of its divisors is an integer number (59161539738).

Almost surely, 2234231402131 is an apocalyptic number.

234231402131 is a deficient number, since it is larger than the sum of its proper divisors (2414756821).

234231402131 is an equidigital number, since it uses as much as digits as its factorization.

234231402131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414756820.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 234231402131 its reverse (131204132432), we get a palindrome (365435534563).

The spelling of 234231402131 in words is "two hundred thirty-four billion, two hundred thirty-one million, four hundred two thousand, one hundred thirty-one".

Divisors: 1 97 2414756723 234231402131