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31022134203 = 310340711401
BaseRepresentation
bin11100111001000100…
…000011001110111011
32222001222121200220110
4130321010003032323
51002013131243303
622130143555403
72145520534644
oct347104031673
988058550813
1031022134203
111217a205645
1260192bbb63
132c05081c38
1417040b86cb
15c1872d703
hex7391033bb

31022134203 has 4 divisors (see below), whose sum is σ = 41362845608. Its totient is φ = 20681422800.

The previous prime is 31022134201. The next prime is 31022134303. The reversal of 31022134203 is 30243122013.

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

It is not a de Polignac number, because 31022134203 - 21 = 31022134201 is a prime.

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 31022134203.

It is not an unprimeable number, because it can be changed into a prime (31022134201) 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, 5170355698 + ... + 5170355703.

It is an arithmetic number, because the mean of its divisors is an integer number (10340711402).

Almost surely, 231022134203 is an apocalyptic number.

31022134203 is a deficient number, since it is larger than the sum of its proper divisors (10340711405).

31022134203 is a wasteful number, since it uses less digits than its factorization.

31022134203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10340711404.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 31022134203 its reverse (30243122013), we get a palindrome (61265256216).

The spelling of 31022134203 in words is "thirty-one billion, twenty-two million, one hundred thirty-four thousand, two hundred three".

Divisors: 1 3 10340711401 31022134203